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One direction Bearing Sprag Backstop for Belt Conveyor CKNZ- I- 39
Features of backstop for belt conveyor
1. Imported sprag and cage can ensure the reliable backstop, and high torque .
2. CKNZ-I sprag backstop can function well both in high speed and low speed condition.
3. Seals are specially designed to prevent from dust and water.
4. Flexible installation occasions, it fits well on high speed shaft, medium speed shaft, or low speed shaft on reducer.
Product name | backstop for belt conveyor |
Model | CKNZ-I -39 |
Material | GCr15 |
Inner diameter | 60-95mm |
Outer diameter | 210mm |
Torque arm length | 270mm |
Torque capacity | 3900Nm |
Width | 152mm |
Package | Carton Box / Wooden box |
Payment terms | TT. L/C, D/A,D/P,Western Union,Paypal |
Delivery time | 7-10 days |
Catalogue of clutch cam for your choice

| No. | Model | Bore Range | Torque | A | B | D | E | H | J | L |
| D(mm) | N.m | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | ||
| 1 | CKNZ-I-3.2 | 20-25 | 320 | 120 | 92 | 100 | 40 | 15 | 5 | 66 |
| 2 | CKNZ-I-7.5 | 25-35 | 750 | 140 | 100 | 113 | 45 | 15 | 6 | 76.9 |
| 3 | CKNZ-I-15.5 | 35-50 | 1550 | 160 | 100 | 125 | 50 | 20 | 6 | 76.9 |
| 4 | CKNZ-I-18.5 | 45-60 | 1850 | 180 | 114 | 140 | 55 | 25 | 10 | 74.4 |
| 5 | CKNZ-I-27 | 55-75 | 2700 | 220 | 135 | 178 | 60 | 30 | 15 | 89.4 |
| 6 | CKNZ-I-39 | 60-95 | 3900 | 270 | 152 | 210 | 80 | 35 | 15 | 91.4 |
| 7 | CKNZ-I-122 | 65-110 | 12200 | 320 | 206 | 260 | 100 | 40 | 20 | 132.4 |
| 8 | CKNZ-I-150 | 70-130 | 15000 | 360 | 218 | 280 | 110 | 45 | 20 | 132.4 |
| 9 | CKNZ-I-255 | 130-160 | 25500 | 430 | 236 | 332 | 120 | 50 | 20 | 151.4 |
| 10 | CKNZ-I-390 | 150-200 | 39000 | 560 | 254 | 420 | 140 | 60 | 20 | 159.4 |
| 11 | CKNZ-I-445 | 200-250 | 44500 | 660 | 262 | 500 | 160 | 80 | 20 | 174.4 |
| 12 | CKNZ-I-815 | 250-320 | 81500 | 760 | 351 | 630 | 180 | 100 | 20 | 213 |



Changzhou Suma Precision Machinery Co., Ltd(Changzhou Tianniu Clutch Factory)is a manufacturer specialized in Producing Various cam clutch, one way bearing, one way clutch, backstop clutch, overrunning clutch and other bearings with high technology.

We are following "Best Quality, Best Price, Fast Delivery, Best Serves" to make all of our old and new customers satisfied.


Q: How do you pack the goods?
Q: Can i get the samples from you?
A: It is highly encouraged to ask for the samples for quality check.
Q: Can you promise to deliver the goods in time?
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