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Product Specifications:
| Item | Sure-Flex Sleeve |
| Age Group | Adult |
| Angular Misalignment | 1° |
| Application | Blowers, Compressors, Conveyors, Mixers, Motors, Pumps |
| Body Style | 7JN |
| Color | Black |
| Coupling Size | 7 |
| Features | 4-Way Flexing Action Absorbs Shock, Misalignment And End Float, Vibration |
| For Misalignment Type | Angular, Parallel |
| Gender | Unisex |
| Horsepower @ 100 Rpm | 1.5 hp |
| Hp @ Rpm | 27 hp @ 1800 RPM, 54 hp @ 3600 RPM |
| Hp Rating @ 100 Rpm | 1.5 hp |
| Hp Rating @ 100 Rpm | 1 1/2 hp |
| Hp Rating @ 1200 Rpm | 17.90 |
| Hp Rating @ 1200 Rpm | 17 9/10 hp |
| Hp Rating @ 1800 Rpm | 27 hp |
| Hp Rating @ 3600 Rpm | 54 hp |
| Insert Construction | One Piece Solid |
| Insert Design | One-Piece Solid |
| Insert Material | Neoprene |
| Insert Width | 2 3/16" |
| Material | Neoprene |
| Max. Angular Gap Misalignment | 0.081" |
| Max. Angular Misalignment | 1° |
| Max. Parallel Misalignment | 0.02" |
| Max. Speed | 5250 RPM |
| Maximum Operating Temperature | 200°F |
| Minimum Operating Temperature | 0°F |
| Operating Temp. | 0°F to +200°F |
| Outside Dia. | 4.344" |
| Outside Diameter | 4 11/32" |
| Parallel Misalignment | 0.02" |
| Rated Torque | 940 lbs.-in. |
| Resistance Properties | Chemical Resistant, Oil Resistant |
| Size | 7 |
| System Of Measurement | Imperial |
| Torsional Stiffness | 2769 lbs.-in./deg. |
| Width | 2.19" |
Shipping Info:
| Ship weight (kg) | 0.32 |
| Ship height (cm) | 6.35 |
| Ship length (cm) | 13.46 |
| Ship width (cm) | 12.95 |
| HS code | 8483608000 |
| Country of Origin | US |
Product Details:
- TB Wood's 7JN coupling sleeve designed for accommodating shaft misalignment & torque transmission for compressors, pumps, electric motors, mixers, conveyors & blowers
- Features one-piece, solid neoprene construction for wear protection & lubrication free installation and 4-way flexing action for absorbing misalignment, end float & shocks
- Accommodates 7 - 21 degree torsional wind up
- ATEX compliant and ISO certified
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
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
TB WOODS 7JN Sure-Flex Coupling Sleeve, Size 7, Up To 5250 RPM
€73.46 /unit

