FREE delivery on orders over €150
Product Specifications:
| Item | Sure-Flex Sleeve |
| Angular Misalignment | 1° |
| Application | Blowers, Compressors, Conveyors, Mixers, Motors, Pumps |
| Body Style | 7JNS |
| Coupling Size | 7 |
| Features | 4-Way Flexing Action Absorbs Shock, Misalignment And End Float, Vibration |
| For Misalignment Type | Angular, Parallel |
| Hp @ 100 Speed | 1 1/2 hp , 1.5 hp |
| Hp @ 1200 Rpm | 17 9/10 hp |
| Hp @ 1800 Rpm | 27 hp |
| Hp @ 3600 Rpm | 54 hp |
| Hp @ Speed | 27 hp @ 1800 RPM, 54 hp @ 3600 RPM , 27 hp @1, 800 RPM, 54 hp @3, 600 RPM |
| Hp Rating @ 100 Rpm | 1.5 hp |
| Hp Rating @ 1200 Rpm | 17.90 |
| Hp Rating @ 1800 Rpm | 27 hp |
| Hp Rating @ 3600 Rpm | 54 hp |
| Insert Construction | One Piece Split |
| Insert Design | One-Piece Split |
| Insert Material | Neoprene |
| Insert Width | 2 3/16" |
| Material | Neoprene |
| Max. Angular Gap Misalignment | 0.081" |
| Max. Angular Misalignment | 1° |
| Max. Operating Temp. | 200°F |
| Max. Parallel Misalignment | 0.02" |
| Max. Speed | 5250 RPM |
| Min. Operating Temp. | 0°F |
| Operating Temp. | 0°F to +200°F |
| Outside Dia. | 4 11/32" , 4.344" |
| Parallel Misalignment | 0.02" |
| Rated Torque | 940 lbs.-in. |
| Resistance Properties | Chemical Resistant, Oil Resistant |
| System Of Measurement | Imperial |
| Torque | 940 lbs.-in. |
| Torsional Stiffness | 2769 lbs.-in./deg. |
| Width | 2.19" |
Shipping Info:
| Ship weight (kg) | 0.32 |
| Ship height (cm) | 6.35 |
| Ship length (cm) | 12.95 |
| Ship width (cm) | 12.95 |
| HS code | 8483608000 |
| Country of Origin | US |
Product Details:
- TB Wood's 7JNS coupling sleeve suitable for torque transmission and accommodating shaft misalignment in pumps, compressors, mixers and conveyors
- Accommodates torsional wind up ranging from 7 to 21 degrees
- Features 4-way flexing action to absorb misalignments, shocks & end floats
- Can be operated at temperatures up to 200 degrees F
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 |
Explore Products
- COTTERMAN 1010R2632A3E30B4AC1P6 Rolling Ladder, 100 Inch Platform Height, 30 Inch Platform Dp, 24 Inch Platform Width
- WOODHEAD 1200870106 444031A10M040 Cordset, 4 Pole, Male Female, 4m, Straight, 90 Degree, Coupler
- AEROQUIP 2216-8-10S Hydraulic Hose Adapter, Nptf Female Sae Orb Male Carbon Steel
- AMERICAN TORCH TIP 1536-52 Cutting Tip Size 52
- SANDPIPER 050.005.365 Ball, Check, 2-1/4 Inch Size
- EATON S27N11S16CULS42 General Purpose Encapsulated Transformer, Copper, 1-Phase, 277V, 120/240V, 1.5 KVA
- STEARNS BRAKES 813160100 Pivot Pinstnl-Sol Levers
- QUANTUM STORAGE SYSTEMS AD74-3636GY-5 Wire Shelving, 5 Shelf Add-On, 36 x 36 x 74 Inch Size, Gray Epoxy
Explore More
- KEYSHAFT
- International Voltage Converters
- Filter Papers and Extraction Thimbles
- Isolation Transformers
- Plastic U-Shaped Channel Stock
- Lifting and Skidding Tongs
- KANT-TWIST Lever Clamps with Weaver Grip, Orange
- CONDOR Leather Gloves, Standard, Straight Thumb, Beige
- GOODYEAR ENGINEERED PRODUCTS Brass Fittings Push On Hose Fitting
- GENERAL ELECTRIC FB100 Series Molded Case Circuit Breakers
- TEADIT 24SH Expanded PTFE Ring Cut Gaskets
- GRAINGER Wire Ferrules
- ARO Diaphragm Pumps, 1 1/2 Inch Size
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 7JNS Sure-Flex Coupling Sleeve, Size 7, Up To 5250 RPM
€112.92 /unit

