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Product Specifications:
| Item | Sure-Flex Sleeve |
| Angular Misalignment | 1° |
| Application | Blowers, Compressors, Conveyors, Mixers, Motors, Pumps |
| Body Style | 8JN |
| Coupling Size | 8 |
| Features | 4-Way Flexing Action Absorbs Shock, Misalignment And End Float, Vibration |
| For Misalignment Type | Angular, Parallel |
| Horsepower @ 100 Rpm | 2.3 hp |
| Hp @ Rpm | 42 hp @ 1800 RPM, 84 hp @ 3600 RPM |
| Hp Rating @ 100 Rpm | 2.3 hp |
| Hp Rating @ 100 Rpm | 2 3/10 hp |
| Hp Rating @ 1200 Rpm | 28.08 |
| Hp Rating @ 1200 Rpm | 28 2/25 hp |
| Hp Rating @ 1800 Rpm | 42 hp |
| Hp Rating @ 3600 Rpm | 84 hp |
| Insert Construction | One Piece Solid |
| Insert Design | One-Piece Solid |
| Insert Material | Neoprene |
| Insert Width | 2 1/2" |
| Material | Neoprene |
| Max. Angular Gap Misalignment | 0.094" |
| Max. Angular Misalignment | 1° |
| Max. Parallel Misalignment | 0.02" |
| Max. Speed | 4500 RPM |
| Maximum Operating Temperature | 200°F |
| Minimum Operating Temperature | 0°F |
| Operating Temp. | 0°F to +200°F |
| Outside Dia. | 5.062" |
| Outside Diameter | 5 1/16" |
| Parallel Misalignment | 0.02" |
| Rated Torque | 1475 lbs.-in. |
| Resistance Properties | Chemical Resistant, Oil Resistant |
| System Of Measurement | Imperial |
| Torsional Stiffness | 4335 lbs.-in./deg. |
| Width | 2 1/2" |
Shipping Info:
| Ship weight (kg) | 0.54 |
| Ship height (cm) | 6.86 |
| Ship length (cm) | 14.99 |
| Ship width (cm) | 14.48 |
| Country of Origin | US |
Product Details:
- TB Wood's 8JN coupling sleeve suitable for torque transmission and accommodating shaft misalignment in pumps, compressors, mixers & conveyors
- Features exceptional torsional flexibility with 4 way flexing action for absorbing shock, vibration & end-float
- One-piece neoprene construction easily retrofits to existing flanges, eliminating the need for replacement of full coupling and providing wear resistance
- Accommodates 7 to 21 degree torsional wind-up
- ATEX compliant
Product Variants
| Model | Max. Speed | Rated Torque | Coupling Size | Insert Material | Torsional Stiffness | Angular Misalignment | Parallel Misalignment | Outside Dia. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
| 3JNS | 9200 RPM | 78 lbs.-in. | 3 | Neoprene | 229 lbs.-in./deg. | 1° | 0.01" | 1 7/8" | €25.35 | |
| 4JNS | 7600 RPM | 156 lbs.-in. | 4 | Neoprene | 458 lbs.-in./deg. | 1° | 0.01" | 2.312" | €31.79 | |
| 5JNS | 7600 RPM | 312 lbs.-in. | 5 | Neoprene | 916 lbs.-in./deg. | 1° | 0.015" | 2.938" | €39.18 | |
| 6JNS | 6000 RPM | 585 lbs.-in. | 6 | Neoprene | 1718 lbs.-in./deg. | 1° | 0.015" | - | €77.82 | |
| 3J | 9200 RPM | 78 lbs.-in. | 3 | EPDM | 229 lbs.-in./deg. | 1° | 0.01" | 1 7/8" | €10.28 | |
| 4J | 7600 RPM | 156 lbs.-in. | 4 | EPDM | 458 lbs.-in./deg. | 1° | 0.01" | 2.312" | €20.33 | |
| 5J | 7600 RPM | 312 lbs.-in. | 5 | EPDM | 916 lbs.-in./deg. | 1° | 0.015" | 2.938" | €40.93 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
TB WOODS 8JN Sure-Flex Plus Coupling Sleeve, Size 8, 4500 RPM, 1475 in-lb
€130.88 /unit

