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The BS Series Cam Clutch devices are engineered to permit freewheeling of the inner race in a designated direction while engaging the outer race upon detecting rotation in the opposite direction. These BS Series products are commonly utilized in systems such as sloped conveyors, or in pump setups that may undergo reverse rotation due to high load on the pump's output end. The BS Series Cam Clutches feature a cam and roller mechanism, integrating a low-friction bearing within the cam cage for efficiency.
Normally, a full Cam Clutch setup encompasses the Cam Clutch itself, a torque arm, a key for the shaft, an end plate for the shaft, alongside either a safety enclosure or an oil reservoir. While the shaft key comes with the Cam Clutch, other components should be selected separately according to necessity. For BS Series Cam Clutches ranging from BS30 to BS350, the standard lubrication provided is grease-based.
Parameter of BS Backstop Clutch Cam Clutch
BS30-135 Backstop Cam Clutch.pdf
BS30-135 Backstop Cam Clutch.pd
BS30-135 Backstop Cam Clutch.pdf
Model | Torque | Max overrunning (r/min) Inner race | Drag Torque(N-m) | A | B | C | PCD | E | S | H-M Size× Pitch × No.of Tapped Holes |
BS30 | 294 | 350 | 0.58 | 64 | 90 | 64 | 80 | 45 | 13 | M 6 ×P1.0×4 |
BS50 | 784 | 300 | 0.98 | 67 | 125 | 67 | 110 | 70 | 16 | M 8 ×P1.25×4 |
BS65 | 1570 | 340 | 3.92 | 90 | 160 | 85 | 140 | 90 | 20 | M10 ×P1.5×6 |
BS75 | 2450 | 300 | 5.88 | 90 | 170 | 85 | 150 | 100 | 20 | M10 ×P1.5×6 |
BS85 | 5880 | 300 | 7.84 | 115 | 210 | 110 | 185 | 115 | 30 | M12 ×P1.75×6 |
BS95 | 7840 | 250 | 9.8 | 115 | 230 | 110 | 200 | 130 | 30 | M14 ×P2.0× 6 |
BS110 | 10800 | 250 | 14.7 | 115 | 270 | 110 | 220 | 150 | 30 | M16 ×P2.0× 6 |
BS135 | 15700 | 200 | 19.6 | 135 | 320 | 130 | 280 | 180 | 30 | M16 ×P2.0× 8 |
Keyway of BS Backstop Clutch Cam Clutch
New JIS | Old JIS | Bore Diameter |
|
|
BS 30-30J | BS 30-30E | 20 to 30 | 2.3 | 2.1 |
BS 50-45J | BS 50-45E | 30 to 50 | 4.7 | 4.0 |
BS 50-50J | BS 50-50E | |||
BS 65-40J | BS 65-40E | 40 to 65 | 13.0 | 11.5 |
BS 65-45J | BS 65-45E | |||
BS 65-50J | BS 65-50E | |||
BS65-55J | BS65-55E | |||
BS 65-60J | BS 65-60E | |||
BS 65-65J | BS 65-65E | |||
BS 75-60J | BS 75-60E | 50 to 75 | 14.7 | 13.1 |
BS 75-65J | BS 75-65E | |||
BS75-70J | BS75-70E | |||
BS 75-75J | BS 75-75E | |||
BS 85-70J | BS 85-70E | 60 to 85 | 27.2 | 24.7 |
BS 85-75J | BS 85-75E | |||
BS85-80J | BS85-80E | |||
BS 85-85J | BS 85-85E | |||
BS 95-80J | BS 95-80E | 70 to 95 | 32.2 | 29.4 |
BS 95-85J | BS 95-85E | |||
BS95-90J | BS95-90E | |||
BS 95-95J | BS 95-95E | |||
BS 110-85J | BS 110-85E | 80 to 110 | 38.6 | 34.2 |
BS 110-95J | BS 110-95E | |||
BS 110-100J | BS 110-100E | |||
BS 110-105J | BS 110-105E | |||
BS 110-110J | BS 110-110E |
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| Max. |
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BS160 | 24,500 | 100 | 33.1 | 130 | 360 | 130 | 315 | 220 | 40 | M20 × P2.5 ×10 | 0.12 | 100-160 | 98.1 | 85.6 |
BS200 | 37,200 | 100 | 44.1 | 150 | 430 | 145 | 380 | 265 | 40 | M22 × P2.5 × 8 | 0.14 | 100-200 | 167 | 140 |
BS220 | 49,000 | 80 | 73.5 | 235 | 500 | 230 | 420 | 290 | 40 | M20 × P2.5 ×16 | 0.8 | 150-220 | 301 | 264 |
BS250 | 88,200 | 50 | 93.1 | 295 | 600 | 290 | 530 | 330 | 50 | M24 × P3.0 ×16 | 1.1 | 175- 250 | 580 | 523 |
BS270 | 123,000 | 50 | 98 | 295 | 650 | 290 | 575 | 370 | 50 | M24 × P3.0 ×16 | 1.2 | 200-270 | 620 | 562 |
BS300 | 176,000 | 50 | 108 | 295 | 780 | 290 | 690 | 470 | 60 | M30 × P3.5 ×16 | 1.3 | 230-300 | 952 | 885 |
BS335 | 265,000 | 50 | 137 | 305 | 850 | 320 | 750 | 495 | 70 | M36 × P4.0 ×16 | 1.4 | 250-335 | 1,140 | 1,040 |
BS350 | 314,000 | 50 | 157 | 320 | 930 | 360 | 815 | 535 | 70 | M36 × P4.0 ×16 | 1.5 | 250-350 | 1,600 | 1,470 |
BS425 | 510,000 | 50 | 216 | 440 | 1,030 | 450 | 940 | 635 | 70 | M36 ×P4.0 ×18 | Oil 6,000ml | 325- 425 | 2,450 | 2,240 |
BS450 | 686,000 | 50 | 245 | 450 | 1,090 | 480 | 990 | 645 | 80 | M42 × P4.5 ×18 | Oil 7,000ml | 350-450 | 2,820 | 2,580 |
◆ #2 Lithium-Based Grease is widely used for the cam clutch lubrication. Please contact Suma engineer if special grease are needed .
◆ Grease with Plumbum or Graphit are strictly forbidden.
◆ Lubrication grease was added before cam clutch leave factory, user can install the clutch directly. If clutch leave factory over 1 year or the grease has gone bad , need to clean clutch first then add specified amount grease to the clutch .
◆ Change grease every 3-6 months of backstop clutch based on user’s operating frequency. Add grease to clutch every one month .
1. Are you Trading Company or Manufacturer ?
SUMA is Manufacturer with one-stop service , Production history over 20 years, exporting experience up to 10 years .
2. Can i have Samples to check quality first ?
It is okay to get backstop clutch sample for quality check .
3. How can i choose the correct backstop clutch i need ?
Torque capacity , Rotation Speed , and Dimensions are necessary to choose the right model.
If you not so sure about it, pls share with us, our engineer will give you professional guidance .
4. What Material of the bearings you are supplied ?
Standard Material : GCr15
5. How soon you can make the shipment ?
Usually all are in stock, can ship out within 2-3 days .
If big quantity, can ship out in 10 days .
Customized sizes may need 15-20 days , Depends on specific order.
6. Is there guarantee of items purchased ?
We produce 1 year warranty for all backstop clutch we sell.
The BS Series Cam Clutch devices are engineered to permit freewheeling of the inner race in a designated direction while engaging the outer race upon detecting rotation in the opposite direction. These BS Series products are commonly utilized in systems such as sloped conveyors, or in pump setups that may undergo reverse rotation due to high load on the pump's output end. The BS Series Cam Clutches feature a cam and roller mechanism, integrating a low-friction bearing within the cam cage for efficiency.
Normally, a full Cam Clutch setup encompasses the Cam Clutch itself, a torque arm, a key for the shaft, an end plate for the shaft, alongside either a safety enclosure or an oil reservoir. While the shaft key comes with the Cam Clutch, other components should be selected separately according to necessity. For BS Series Cam Clutches ranging from BS30 to BS350, the standard lubrication provided is grease-based.
Parameter of BS Backstop Clutch Cam Clutch
BS30-135 Backstop Cam Clutch.pdf
BS30-135 Backstop Cam Clutch.pd
BS30-135 Backstop Cam Clutch.pdf
Model | Torque | Max overrunning (r/min) Inner race | Drag Torque(N-m) | A | B | C | PCD | E | S | H-M Size× Pitch × No.of Tapped Holes |
BS30 | 294 | 350 | 0.58 | 64 | 90 | 64 | 80 | 45 | 13 | M 6 ×P1.0×4 |
BS50 | 784 | 300 | 0.98 | 67 | 125 | 67 | 110 | 70 | 16 | M 8 ×P1.25×4 |
BS65 | 1570 | 340 | 3.92 | 90 | 160 | 85 | 140 | 90 | 20 | M10 ×P1.5×6 |
BS75 | 2450 | 300 | 5.88 | 90 | 170 | 85 | 150 | 100 | 20 | M10 ×P1.5×6 |
BS85 | 5880 | 300 | 7.84 | 115 | 210 | 110 | 185 | 115 | 30 | M12 ×P1.75×6 |
BS95 | 7840 | 250 | 9.8 | 115 | 230 | 110 | 200 | 130 | 30 | M14 ×P2.0× 6 |
BS110 | 10800 | 250 | 14.7 | 115 | 270 | 110 | 220 | 150 | 30 | M16 ×P2.0× 6 |
BS135 | 15700 | 200 | 19.6 | 135 | 320 | 130 | 280 | 180 | 30 | M16 ×P2.0× 8 |
Keyway of BS Backstop Clutch Cam Clutch
New JIS | Old JIS | Bore Diameter |
|
|
BS 30-30J | BS 30-30E | 20 to 30 | 2.3 | 2.1 |
BS 50-45J | BS 50-45E | 30 to 50 | 4.7 | 4.0 |
BS 50-50J | BS 50-50E | |||
BS 65-40J | BS 65-40E | 40 to 65 | 13.0 | 11.5 |
BS 65-45J | BS 65-45E | |||
BS 65-50J | BS 65-50E | |||
BS65-55J | BS65-55E | |||
BS 65-60J | BS 65-60E | |||
BS 65-65J | BS 65-65E | |||
BS 75-60J | BS 75-60E | 50 to 75 | 14.7 | 13.1 |
BS 75-65J | BS 75-65E | |||
BS75-70J | BS75-70E | |||
BS 75-75J | BS 75-75E | |||
BS 85-70J | BS 85-70E | 60 to 85 | 27.2 | 24.7 |
BS 85-75J | BS 85-75E | |||
BS85-80J | BS85-80E | |||
BS 85-85J | BS 85-85E | |||
BS 95-80J | BS 95-80E | 70 to 95 | 32.2 | 29.4 |
BS 95-85J | BS 95-85E | |||
BS95-90J | BS95-90E | |||
BS 95-95J | BS 95-95E | |||
BS 110-85J | BS 110-85E | 80 to 110 | 38.6 | 34.2 |
BS 110-95J | BS 110-95E | |||
BS 110-100J | BS 110-100E | |||
BS 110-105J | BS 110-105E | |||
BS 110-110J | BS 110-110E |
|
| Max. |
|
|
|
|
|
|
|
|
|
|
|
|
BS160 | 24,500 | 100 | 33.1 | 130 | 360 | 130 | 315 | 220 | 40 | M20 × P2.5 ×10 | 0.12 | 100-160 | 98.1 | 85.6 |
BS200 | 37,200 | 100 | 44.1 | 150 | 430 | 145 | 380 | 265 | 40 | M22 × P2.5 × 8 | 0.14 | 100-200 | 167 | 140 |
BS220 | 49,000 | 80 | 73.5 | 235 | 500 | 230 | 420 | 290 | 40 | M20 × P2.5 ×16 | 0.8 | 150-220 | 301 | 264 |
BS250 | 88,200 | 50 | 93.1 | 295 | 600 | 290 | 530 | 330 | 50 | M24 × P3.0 ×16 | 1.1 | 175- 250 | 580 | 523 |
BS270 | 123,000 | 50 | 98 | 295 | 650 | 290 | 575 | 370 | 50 | M24 × P3.0 ×16 | 1.2 | 200-270 | 620 | 562 |
BS300 | 176,000 | 50 | 108 | 295 | 780 | 290 | 690 | 470 | 60 | M30 × P3.5 ×16 | 1.3 | 230-300 | 952 | 885 |
BS335 | 265,000 | 50 | 137 | 305 | 850 | 320 | 750 | 495 | 70 | M36 × P4.0 ×16 | 1.4 | 250-335 | 1,140 | 1,040 |
BS350 | 314,000 | 50 | 157 | 320 | 930 | 360 | 815 | 535 | 70 | M36 × P4.0 ×16 | 1.5 | 250-350 | 1,600 | 1,470 |
BS425 | 510,000 | 50 | 216 | 440 | 1,030 | 450 | 940 | 635 | 70 | M36 ×P4.0 ×18 | Oil 6,000ml | 325- 425 | 2,450 | 2,240 |
BS450 | 686,000 | 50 | 245 | 450 | 1,090 | 480 | 990 | 645 | 80 | M42 × P4.5 ×18 | Oil 7,000ml | 350-450 | 2,820 | 2,580 |
◆ #2 Lithium-Based Grease is widely used for the cam clutch lubrication. Please contact Suma engineer if special grease are needed .
◆ Grease with Plumbum or Graphit are strictly forbidden.
◆ Lubrication grease was added before cam clutch leave factory, user can install the clutch directly. If clutch leave factory over 1 year or the grease has gone bad , need to clean clutch first then add specified amount grease to the clutch .
◆ Change grease every 3-6 months of backstop clutch based on user’s operating frequency. Add grease to clutch every one month .
1. Are you Trading Company or Manufacturer ?
SUMA is Manufacturer with one-stop service , Production history over 20 years, exporting experience up to 10 years .
2. Can i have Samples to check quality first ?
It is okay to get backstop clutch sample for quality check .
3. How can i choose the correct backstop clutch i need ?
Torque capacity , Rotation Speed , and Dimensions are necessary to choose the right model.
If you not so sure about it, pls share with us, our engineer will give you professional guidance .
4. What Material of the bearings you are supplied ?
Standard Material : GCr15
5. How soon you can make the shipment ?
Usually all are in stock, can ship out within 2-3 days .
If big quantity, can ship out in 10 days .
Customized sizes may need 15-20 days , Depends on specific order.
6. Is there guarantee of items purchased ?
We produce 1 year warranty for all backstop clutch we sell.
