Top 30 Mechanical Constant Force Springs on Amazon (Verified You can Buy)
Top 1
SUS301 Constant Force Spring，Load 5.93 lbs，ID 0.88",OD 1.15",Total Length 35.98",EXTANDED Length 30",Material Wideness 0.75",Material Thickness 0.0118",Pack of 5
precisespring
Ratings for precisespring (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| precise spring | - | ❌ | ❌ | ❌ |
Features
The constant force spring is an excellent device for applications where a constant load is required. Some of the many applications of constant force springs ar1e in counterbalances, door closers, cable retractors, hose retrievers, tool head returns, cabinet furniture components, gym equipment, hair dryers, toys, electric motors, appliances, space vehicles, and other long-motion functi
Top 2
SUS301 Constant Force Spring，Load 24.8 lbs，ID 1.828",OD 2.242",Total Length 48",EXTANDED Length 36",Material Wideness 1.5",Material Thickness 0.025",Pack of 5
precisespring
Ratings for precisespring (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| precise spring | - | ❌ | ❌ | ❌ |
Features
The constant force spring is an excellent device for applications where a constant load is required. Some of the many applications of constant force springs ar1e in counterbalances, door closers, cable retractors, hose retrievers, tool head returns, cabinet furniture components, gym equipment, hair dryers, toys, electric motors, appliances, space vehicles, and other long-motion functions.
Top 3
SUS301 Constant Force Spring，Load 7.91 lbs，ID 0.88",OD 1.20",Material Thickness 0.0118",Material Wideness 1",Extended Length 30",Total Length 39" ，Pack of 5
precisespring
Ratings for precisespring (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| precise spring | - | ❌ | ❌ | ❌ |
Features
The constant force spring is an excellent device for applications where a constant load is required. Some of the many applications of constant force springs ar1e in counterbalances, door closers, cable retractors, hose retrievers, tool head returns, cabinet furniture components, gym equipment, hair dryers, toys, electric motors, appliances, space vehicles, and other long-motion functions.
Top 4
SUS301 Constant Force Spring，Load 2.09 lbs，ID 1.60",OD 1.79",Total Length 48",EXTANDED Length 36",Material Wideness 0.75",Material Thickness 0.0118",Pack of 5
precisespring
Ratings for precisespring (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| precise spring | - | ❌ | ❌ | ❌ |
Features
The constant force spring is an excellent device for applications where a constant load is required. Some of the many applications of constant force springs ar1e in counterbalances, door closers, cable retractors, hose retrievers, tool head returns, cabinet furniture components, gym equipment, hair dryers, toys, electric motors, appliances, space vehicles, and other long-motion functions.
Top 5
SUS301 Constant Force Spring，Load 4.12 lbs，ID 0.73",OD 0.96",Total Length 29.02",EXTANDED Length 24.02",Material Wideness 0.63",Material Thickness 0.0098",Pack of 5
JP SPRING
JCF187-025
Ratings for JP SPRING (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| precise spring | - | ✅ | ✅ | ✅ |
Top 6
SUS301 Constant Force Spring，Load0.44 lbs，ID 0.65",OD 0.73",Total Length 29",EXTANDED Length 24",Material Wideness 0.38",Material Thickness 0.0051",Pack of 5
precisespring
Ratings for precisespring (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| precise spring | - | ❌ | ❌ | ❌ |
Features
The constant force spring is an excellent device for applications where a constant load is required. Some of the many applications of constant force springs ar1e in counterbalances, door closers, cable retractors, hose retrievers, tool head returns, cabinet furniture components, gym equipment, hair dryers, toys, electric motors, appliances, space vehicles, and other long-motion functions.
Top 7
BHUPWZE Constant Force Spring Flat Spiral Coil Springs(0.25x8x5000mm 1pc)
BHUPWZE
BHUPWZE
0.3937 x 0.3937 x 0.3937 Inches
Ratings for BHUPWZE (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| hengyingyko | - | ❌ | ❌ | ❌ |
| yaochenqn | - | ❌ | ❌ | ❌ |
Features
Type : Power Tool Parts
Origin : Mainland China
Top 8
BHUPWZE Constant Force Spring Flat Spiral Coil Springs(0.3x2.6x1900mm 1pc)
BHUPWZE
BHUPWZE
0.3937 x 0.3937 x 0.3937 inches
Ratings for BHUPWZE (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| jinchengFH | - | ❌ | ❌ | ❌ |
Features
Type : Power Tool Parts
Origin : Mainland China
Top 9
WRS Series 31 & 32 Constant Force Balance Coil, Single Spring - 9 lbs
WRS
01-31-09
1.0 x 1.0 x 1.0 Inches
0.1 pounds
Ratings for WRS (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Wholesale Product Supply Intl | - | ❌ | ❌ | ❌ |
Features
Stainless steel coil spring designed for tilt windows, providing smooth operation and consistent support for sash weight
Top 10
SUS301 Constant Force Spring，Load 0.71 lbs，ID 0.67",OD 0.80",Material Thickness 0.0059",Material Wideness 0.38",Extended Length 18",Total Length 23" ，Pack of 5
precisespring
Ratings for precisespring (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| precise spring | - | ❌ | ❌ | ❌ |
Features
The constant force spring is an excellent device for applications where a constant load is required. Some of the many applications of constant force springs ar1e in counterbalances, door closers, cable retractors, hose retrievers, tool head returns, cabinet furniture components, gym equipment, hair dryers, toys, electric motors, appliances, space vehicles, and other long-motion functions.
Top 11
SUS301 Constant Force Spring，Load 2.62 lbs，ID 0.59",OD 0.82",Total Length 30",EXTANDED Length 24.02",Material Wideness 0.5",Material Thickness 0.0079",Pack of 5
precisespring
Ratings for precisespring (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| precise spring | - | ❌ | ❌ | ❌ |
Features
The constant force spring is an excellent device for applications where a constant load is required. Some of the many applications of constant force springs ar1e in counterbalances, door closers, cable retractors, hose retrievers, tool head returns, cabinet furniture components, gym equipment, hair dryers, toys, electric motors, appliances, space vehicles, and other long-motion functions.
Top 12
SUS301 Constant Force Spring，Load 5.82 lbs，ID 2.53",OD 2.83",Total Length 60",EXTANDED Length 42",Material Wideness 1.25",Material Thickness 0.0201",Pack of 5
precisespring
Ratings for precisespring (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| precise spring | - | ❌ | ❌ | ❌ |
Features
The constant force spring is an excellent device for applications where a constant load is required. Some of the many applications of constant force springs ar1e in counterbalances, door closers, cable retractors, hose retrievers, tool head returns, cabinet furniture components, gym equipment, hair dryers, toys, electric motors, appliances, space vehicles, and other long-motion functions.
Top 13
MroMax 3Pcs Drill Press Spring, 1.65" Outer Diameter, 0.31" Width, 0.03" Thickness, 39.37"Expand Length, 42 x 8 x 0.8mm Drill Press Spring, Spring Steel Chemical Blackening Finish
MroMax
39.37 x 0.31 x 39.37 inches
0.291 pounds
Ratings for MroMax (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| MroMax® | - | ❌ | ❌ | ❌ |
Features
【Dimension】Expand Length: 1000mm/39.37"; Material Width: 8mm/0.31"; Material Thickness: 0.8mm/0.03"; Spring Outer Diameter: 42mm/1.65".
【Installation form】Inner mounting type: hook; Outer mounting type: hook.
Top 14
SUS301 Constant Force Spring，Load 16.49 lbs，ID 1.47",OD 1.85",Total Length 47",EXTANDED Length 35.98",Material Wideness 1.25",Material Thickness 0.0201",Pack of 5
precisespring
Ratings for precisespring (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| precise spring | - | ❌ | ❌ | ❌ |
Features
The constant force spring is an excellent device for applications where a constant load is required. Some of the many applications of constant force springs ar1e in counterbalances, door closers, cable retractors, hose retrievers, tool head returns, cabinet furniture components, gym equipment, hair dryers, toys, electric motors, appliances, space vehicles, and other long-motion functions.
Top 15
SUS301 Constant Force Spring，Load 0.22 lbs，ID0.53",OD 0.59",Total Length 22",EXTANDED Length 17.99",Material Wideness 0.25",Material Thickness 0.0039",Pack of 5
precisespring
Ratings for precisespring (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| precise spring | - | ❌ | ❌ | ❌ |
Features
The constant force spring is an excellent device for applications where a constant load is required. Some of the many applications of constant force springs ar1e in counterbalances, door closers, cable retractors, hose retrievers, tool head returns, cabinet furniture components, gym equipment, hair dryers, toys, electric motors, appliances, space vehicles, and other long-motion functions
Top 16
SUS301 Constant Force Spring，Load 0.95 lbs，ID 0.67",OD 0.80",Material Thickness 0.0059",Material Wideness 0.5",Extended Length 18",Total Length 23" ，Pack of 5
precisespring
Ratings for precisespring (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| precise spring | - | ❌ | ❌ | ❌ |
Features
The constant force spring is an excellent device for applications where a constant load is required. Some of the many applications of constant force springs ar1e in counterbalances, door closers, cable retractors, hose retrievers, tool head returns, cabinet furniture components, gym equipment, hair dryers, toys, electric motors, appliances, space vehicles, and other long-motion functions.
Top 17
SUS301 Constant Force Spring，Load 1.48 lbs，ID 0.44",OD 0.52",Total Length 20.98",EXTANDED Length 17.99",Material Wideness 0.38",Material Thickness 0.0059",Pack of 5
precisespring
Ratings for precisespring (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| precise spring | - | ❌ | ❌ | ❌ |
Features
The constant force spring is an excellent device for applications where a constant load is required. Some of the many applications of constant force springs ar1e in counterbalances, door closers, cable retractors, hose retrievers, tool head returns, cabinet furniture components, gym equipment, hair dryers, toys, electric motors, appliances, space vehicles, and other long-motion functions.
Top 18
BHUPWZE Constant Force Spring Flat Spiral Coil Springs(0.3x3x2160mm 1pc)
BHUPWZE
BHUPWZE
0.3937 x 0.3937 x 0.3937 inches
Ratings for BHUPWZE (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| yaochenqn | - | ❌ | ❌ | ❌ |
| hengyingyko | - | ❌ | ❌ | ❌ |
Features
Type : Power Tool Parts
Origin : Mainland China
Top 19
SUS301 Constant Force Spring，Load 3.53 lbs，ID1.97",OD 2.09",Total Length 23.62",EXTANDED Length 15.75",Material Wideness 1",Material Thickness 0.015",Pack of 5
JP SPRING
Ratings for JP SPRING (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| precise spring | - | ✅ | ✅ | ✅ |
Top 20
SUS301 Constant Force Spring，Load 0.93 lbs，ID 1.07",OD 1.2",Total Length 37.99",EXTANDED Length 30",Material Wideness 0.5",Material Thickness 0.0079",Pack of 5
precisespring
Ratings for precisespring (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| precise spring | - | ❌ | ❌ | ❌ |
Features
The constant force spring is an excellent device for applications where a constant load is required. Some of the many applications of constant force springs ar1e in counterbalances, door closers, cable retractors, hose retrievers, tool head returns, cabinet furniture components, gym equipment, hair dryers, toys, electric motors, appliances, space vehicles, and other long-motion functions.
Top 21
SUS301 Constant Force Spring，Load 10.6 lbs，ID 1.16",OD 1.4",Total Length 37.99",EXTANDED Length 30",Material Wideness 1",Material Thickness 0.0161",Pack of 5
precisespring
Ratings for precisespring (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| precise spring | - | ❌ | ❌ | ❌ |
Features
The constant force spring is an excellent device for applications where a constant load is required. Some of the many applications of constant force springs ar1e in counterbalances, door closers, cable retractors, hose retrievers, tool head returns, cabinet furniture components, gym equipment, hair dryers, toys, electric motors, appliances, space vehicles, and other long-motion functions.
Top 22
SUS301 Constant Force Spring，Load 33 lbs，ID 1.78",OD 2.22",Total Length 52",EXTANDED Length 46",Material Wideness 2",Material Thickness 0.025",Pack of 5
precisespring
Ratings for precisespring (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| precise spring | - | ❌ | ❌ | ❌ |
Features
The constant force spring is an excellent device for applications where a constant load is required. Some of the many applications of constant force springs ar1e in counterbalances, door closers, cable retractors, hose retrievers, tool head returns, cabinet furniture components, gym equipment, hair dryers, toys, electric motors, appliances, space vehicles, and other long-motion functions.
Top 23
BHUPWZE Constant Force Spring Flat Spiral Coil Springs(0.25x3.5x1100mm 1pc)
BHUPWZE
BHUPWZE
0.3937 x 0.3937 x 0.3937 inches
Ratings for BHUPWZE (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| YANLILIBAO | - | ❌ | ❌ | ❌ |
| Yuxun ypeng | - | ❌ | ❌ | ❌ |
Features
Type : Power Tool Parts
Origin : Mainland China
Top 24
SUS301 Constant Force Spring，Load 0.66 lbs，ID 0.297",OD 0.413",Material Thickness 0.004",Material Wideness 0.25",Extended Length 12 ",Total Length 14" ，Pack of 5
precisespring
Ratings for precisespring (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| precise spring | - | ❌ | ❌ | ❌ |
Features
The constant force spring is an excellent device for applications where a constant load is required. Some of the many applications of constant force springs ar1e in counterbalances, door closers, cable retractors, hose retrievers, tool head returns, cabinet furniture components, gym equipment, hair dryers, toys, electric motors, appliances, space vehicles, and other long-motion functions.
Top 25
SUS301 Constant Force Spring，Load 1.1 lbs，ID 0.54",OD 0.68",Material Thickness 0.006",Material Wideness 0.39",Extended Length 20",Total Length 23.6" ，Pack of 5
JPSPRING
JCF050-100
Ratings for JPSPRING (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| precise spring | - | ✅ | ✅ | ✅ |
Top 26
WRS Series 31 & 32 Constant Force Balance Coil, Single Spring - 7 lbs
WRS
01-31-07
3.0 x 1.0 x 1.0 inches
0.15 pounds
Ratings for WRS (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Wholesale Product Supply Intl | - | ❌ | ❌ | ❌ |
Features
Stainless steel coil spring provides smooth, consistent operation for tilt windows with a 7 lb weight capacity
Top 27
SUS301 Constant Force Spring，Load 3.51 lbs，ID 1.96",OD 2.2",Total Length 56",EXTANDED Length 42",Material Wideness 1",Material Thickness 0.015",Pack of 5
precisespring
Ratings for precisespring (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| precise spring | - | ❌ | ❌ | ❌ |
Features
The constant force spring is an excellent device for applications where a constant load is required. Some of the many applications of constant force springs ar1e in counterbalances, door closers, cable retractors, hose retrievers, tool head returns, cabinet furniture components, gym equipment, hair dryers, toys, electric motors, appliances, space vehicles, and other long-motion functions.
Top 28
SUS301 Constant Force Spring，Load0.33 lbs，ID 0.44",OD 0.53",Total Length 15",EXTANDED Length 12",Material Wideness 0.25",Material Thickness 0.0039",Pack of 5
precisespring
Ratings for precisespring (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| precise spring | - | ❌ | ❌ | ❌ |
Features
A Constant Force Spring is usually mounted by first tightly wrapping it on a drum, then attaching the free end to the loading force such as in a counterbalance application. This relationship can also be reversed. The drum diameter should be 10% to 20% larger than its natural inside diameter. One and one-half wraps should remain on the drum at maximum extension. The strip becomes unstable at long extensions and should be guided to prevent twisting or kinking on recoil. Idler pulleys must be larger in diameter than the natural diameter and should never be used to cause back-bending against the natural radius of curvature.
Top 29
WRS Series 31/32 Constant Force Tandem Assembly - #10 (10 lbs)
WRS
01-31/32-10T
3.0 x 1.5 x 3.0 Inches
0.1 pounds
Ratings for WRS (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Wholesale Product Supply Intl | - | ❌ | ❌ | ❌ |
Features
Stainless steel coil spring provides consistent force for smooth tilt window operation
Top 30
SUS301 Constant Force Spring，Load 8.82 lbs，ID 1.17",OD 1.49",Total Length 39.37",EXTANDED Length 33",Material Wideness 1",Material Thickness 0.0157",Pack of 5
JPSPRING
JCF400-050
Ratings for JPSPRING (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| precise spring | - | ✅ | ✅ | ✅ |
Top 10 Mechanical Constant Force Springs - Verified to Buy (August 2026)
- 1. SUS301 Constant Force Spring，Load 5.93 lbs，ID 0.88",OD 1.15",Total Length 35.98",EXTANDED...
- 2. SUS301 Constant Force Spring，Load 24.8 lbs，ID 1.828",OD 2.242",Total Length 48",EXTANDED...
- 3. SUS301 Constant Force Spring，Load 7.91 lbs，ID 0.88",OD 1.20",Material Thickness 0.0118",Material...
- 4. SUS301 Constant Force Spring，Load 2.09 lbs，ID 1.60",OD 1.79",Total Length 48",EXTANDED...
- 5. SUS301 Constant Force Spring，Load 4.12 lbs，ID 0.73",OD 0.96",Total Length 29.02",EXTANDED...
- 6. SUS301 Constant Force Spring，Load0.44 lbs，ID 0.65",OD 0.73",Total Length 29",EXTANDED Length...
- 7. BHUPWZE Constant Force Spring Flat Spiral Coil Springs(0.25x8x5000mm 1pc)
- 8. BHUPWZE Constant Force Spring Flat Spiral Coil Springs(0.3x2.6x1900mm 1pc)
- 9. WRS Series 31 & 32 Constant Force Balance Coil, Single...
- 10. SUS301 Constant Force Spring，Load 0.71 lbs，ID 0.67",OD 0.80",Material Thickness 0.0059",Material...
Top 6 Mechanical Constant Force Springs Brands on Amazon
Here is the list of top-rated brands that were evaluated by CherryPicks.
- precisespring
- JP SPRING
- BHUPWZE
- WRS
- MroMax
- JPSPRING
Top 3 Mechanical Constant Force Springs Sellers: CPR Seller Rank List
CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.
- 1. MroMax® : 2,571 Yearly Feedback , Avg. Ratings 4.9
- 2. Wholesale Product Supply Intl : 1,062 Yearly Feedback , Avg. Ratings 4.6
- 3. precise spring : 17 Yearly Feedback , Avg. Ratings 4.8
| Rank | Name | Yearly Feedbacks | Avg. Ratings |
|---|---|---|---|
| 🥇 | MroMax® | 2,571 | 4.9 |
| 🥈 | Wholesale Product Supply Intl | 1,062 | 4.6 |
| 🥉 | precise spring | 17 | 4.8 |
[Get] Mechanical Constant Force Springs Deals (✅Exclusively for Prime)
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Why Should You Trust Us?
Now hundreds and thousands of Power Transmission Products supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best Mechanical Constant Force Springs to buy for new August 2026?
CherryPicks’s Methodology for Evaluating Mechanical Constant Force Springs
We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Power Transmission Products items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.
We collected and analyzed 306 of Mechanical Constant Force Springs reviews based on our selection criteria. It helped us shortlist the top qualified and rated Mechanical Constant Force Springs for Power Transmission Products, We found that most customers choose Mechanical Constant Force Springs with an average price of $38.11, and the top brands are MroMax And JP SPRING.
Then our expert-level editors reviewed all those quality items and selected the top 30 Mechanical Constant Force Springs for you, We have researched hundreds of sellers and picked the top sellers for Power Transmission Products, including MroMax®, Wholesale Product Supply Intl And precise spring. The SUS301 Constant Force Spring，Load 5.93 lbs，ID 0... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 0 consumers with an average rating of 0.0.
We've helped a lot of satisfied users get the right Industrial & Scientific product based on their needs, and save lots of time for them to pick Mechanical Constant Force Springs to buy.
Thomas Joseph has over 7 years of working experience with a reputation science laboratory. He is a father, a writer, and a pet lover. He would be sharing his expert knowledge on Industrial and scientific equipment to help us make the right purchase.