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Product Specifications:
| Item | Sure-Flex Sleeve |
| Age Group | Adult |
| Angular Misalignment | 0.25° |
| Application | Compressors, Conveyors, Electric Motors, Fans/Blowers, Mixers, Pumps |
| Body Style | 8HS |
| Color | Red |
| Coupling Size | 8 |
| Features | 4-Way Flexing Action Absorbs Shock, Misalignment And End Float, Vibration |
| For Misalignment Type | Angular, Axial, Parallel |
| Gender | Unisex |
| Hp @ 100 Speed | 7 1/5 hp , 7.2 hp |
| Hp @ 1200 Rpm | 86 1/4 hp |
| Hp @ 1800 Rpm | 129 hp |
| Hp @ 3600 Rpm | 248 hp |
| Hp @ Speed | 126 @ Hp 1, 750 Rpm, 252 Hp @ 3, 500 Rpm, 84 Hp @ 1, 160 Rpm |
| Hp Rating @ 100 Rpm | 7.2 hp |
| Hp Rating @ 1200 Rpm | 86.25 |
| Hp Rating @ 1800 Rpm | 129 hp |
| Hp Rating @ 3600 Rpm | 248 hp |
| Insert Construction | Two Piece |
| Insert Design | Two-Piece Split |
| Insert Material | Hytrel |
| Insert Width | 2 1/2" |
| Material | Hytrel |
| Max. Angular Gap Misalignment | 0.025" |
| Max. Angular Misalignment | 0.25° |
| Max. Operating Temp. | 250°F |
| Max. Parallel Misalignment | 0.015" |
| Max. Speed | 4500 RPM |
| Min. Operating Temp. | -65°F |
| Operating Temp. | -65°F to +250°F |
| Outside Dia. | 5 1/16" , 5.062" |
| Parallel Misalignment | 0.015" |
| Rated Torque | 4530 lbs.-in. |
| Size | 8 |
| System Of Measurement | Imperial |
| Torque | 4530 lbs.-in. |
| Torsional Stiffness | 30000 lbs.-in./deg. |
| Width | 2 1/2" |
Shipping Info:
| Ship weight (kg) | 0.63 |
| Ship height (cm) | 6.6 |
| Ship length (cm) | 14.99 |
| Ship width (cm) | 14.48 |
| HS code | 8483608000 |
| Country of Origin | US |
Product Details:
- TB Wood's 8HS coupling sleeve suitable for torque transmission and accommodating shaft misalignment in motors, pumps, compressors, mixers & conveyors
- Features exceptional torsional flexibility with 4-way flexing action absorbing shock, vibration, misalignments & end-float
- Two-piece, split Hytrel construction easily retrofits to existing flanges, eliminating the need for replacement of full coupling
- Accommodates 7 degree torsional wind-up
- ATEX compliant
Product Variants
| Model | Outside Dia. | Max. Speed | Coupling Size | Insert Material | Torsional Stiffness | Angular Misalignment | Parallel Misalignment | Torque | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
| 3JNS | 1 7/8" | 9200 RPM | 3 | Neoprene | 229 lbs.-in./deg. | 1° | 0.01" | 78 lbs.-in. | €28.31 | |
| 4JNS | 2 5/16" | 7600 RPM | 4 | Neoprene | 458 lbs.-in./deg. | 1° | 0.01" | 156 lbs.-in. | €37.62 | |
| 5JNS | 2 15/16" | 7600 RPM | 5 | Neoprene | 916 lbs.-in./deg. | 1° | 0.015" | 312 lbs.-in. | €39.18 | |
| 6JNS | 3 3/4" | 6000 RPM | 6 | Neoprene | 1718 lbs.-in./deg. | 1° | 0.015" | 585 lbs.-in. | €84.70 | |
| 3J | 1 7/8" | 9200 RPM | 3 | EPDM | 229 lbs.-in./deg. | 1° | 0.01" | 78 lbs.-in. | €10.28 | |
| 4J | 2 5/16" | 7600 RPM | 4 | EPDM | 458 lbs.-in./deg. | 1° | 0.01" | 156 lbs.-in. | €22.43 | |
| 5J | 2.938" | 7600 RPM | 5 | EPDM | 916 lbs.-in./deg. | 1° | 0.015" | 312 lbs.-in. | €45.20 |
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TB WOODS 8HS Sure-Flex Plus Coupling Sleeve, 4500 RPM Max Speed, Size 8
€497.34 /unit


