Complete FreewheelsBM … R
Complete Freewheels BM … R are sealed roller freewheels with ball bearings. They are supplied oil-filled and ready for installation.
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Features
Complete Freewheels BM … R are sealed roller
freewheels with ball bearings. They are supplied
oil-filled and ready for installation.
The freewheels BM … R are used as:
➧ Backstops
➧ Overrunning Clutches
➧ Indexing Freewheels
Nominal torques up to 57 500 Nm.
Bores up to 150 mm.
Application example
Complete Freewheel BM 40 R as an overrunning clutch on the shaft end of the main drive of a paper processing machine. The pulley is connected to an auxiliary drive. In normal operation (freewheeling operation) the inner ring overruns and the outer ring is at a standstill with the attached pulley. During set-up (driving operation) the machine is driven by an auxiliary drive via the pulley at a low speed.
Freewheel Size | Type | Nominal t orque | M | ax. speed | Bore d | max. mm | A | D | F | L | M | N | O | P | S | Weight | |
BM | 12 | R | 150 | 1 750 | 3 500 | 15 | 15 | 84 | 70 | 0,75 | 68 | 15,75 | 5 | 35 | 3,0 | 3,0 | 1,5 |
BM | 15 | R | 230 | 1 650 | 3 300 | 20 | 20 | 94 | 80 | 0,75 | 70 | 15,75 | 5 | 37 | 3,0 | 3,0 | 2,0 |
BM | 18 | R | 340 | 1 550 | 3 100 | 25 | 25 | 111 | 95 | 0,75 | 70 | 16,25 | 8 | 36 | 4,0 | 3,0 | 2,9 |
BM | 20 | R | 420 | 1 450 | 2 900 | 30 | 30 | 121 | 105 | 0,75 | 77 | 20,25 | 8 | 35 | 4,0 | 2,5 | 3,8 |
BM | 25 | R | 800 | 1 250 | 2 500 | 40 | 40 | 144 | 125 | 0,75 | 93 | 22,25 | 10 | 47 | 5,0 | 2,5 | 6,6 |
BM | 28 | R | 1 200 | 1 100 | 2 200 | 45 | 45 | 155 | 135 | 0,75 | 95 | 23,25 | 12 | 47 | 5,0 | 4,0 | 7,8 |
BM | 30 | R | 1 600 | 1 000 | 2 000 | 50 | 50 | 171 | 150 | 0,75 | 102 | 24,25 | 12 | 52 | 5,0 | 4,0 | 10,3 |
BM | 35 | R | 1 800 | 900 | 1 800 | 55 | 55 | 182 | 160 | 0,75 | 110 | 24,25 | 14 | 60 | 5,5 | 4,0 | 12,5 |
BM | 40 | R | 3 500 | 800 | 1 600 | 60 | 60 | 202 | 180 | 0,75 | 116 | 25,25 | 16 | 64 | 6,0 | 6,5 | 17,4 |
BM | 45 | R | 7 100 | 750 | 1 500 | 70 | 70 | 218 | 195 | 1,25 | 130 | 24,75 | 20 | 78 | 7,5 | 8,5 | 22,4 |
BM | 50 | R | 7 500 | 700 | 1 400 | 75 | 75 | 227 | 205 | 1,25 | 132 | 26,75 | 20 | 76 | 7,5 | 8,5 | 24,2 |
BM | 52 | R | 9 300 | 650 | 1 300 | 80 | 80 | 237 | 215 | 1,75 | 150 | 33,75 | 25 | 79 | 9,0 | 8,5 | 31,1 |
BM | 55 | R | 12 500 | 550 | 1 100 | 90 | 90 | 267 | 245 | 1,75 | 170 | 35,25 | 25 | 96 | 9,0 | 6,5 | 45,6 |
BM | 60 | R | 14 500 | 500 | 1 000 | 105 | 314 | 290 | 1,75 | 206 | 40,25 | 28 | 122 | 10,0 | 6,5 | 78,2 | |
BM | 70 | R | 22 500 | 425 | 850 | 120 | 350 | 320 | 1,25 | 215 | 44,75 | 28 | 123 | 10,0 | 9,0 | 93,4 | |
BM | 80 | R | 25 000 | 375 | 750 | 130 | 380 | 350 | 1,75 | 224 | 46,25 | 32 | 128 | 11,0 | 8,5 | 116,8 | |
BM | 90 | R | 33 500 | 350 | 700 | 140 | 400 | 370 | 2,75 | 236 | 49,25 | 32 | 132 | 11,0 | 7,5 | 136,7 | |
BM | 95 | R | 35 000 | 300 | 600 | 150 | 420 | 390 | 2,75 | 249 | 53,25 | 36 | 137 | 12,0 | 6,5 | 159,3 | |
BM 100 | R | 57 500 | 250 | 500 | 150 | 450 | 410 | 3,75 | 276 | 56,25 | 36 | 156 | 12,0 | 11,5 | 198,4 | ||
The maximum transmissible torque is 2 times the specified nominal torque. See page 14 for determination of selection torque.
Keyway according to DIN 6885, page 1 • Keyway width tolerance •JS10
Mounting | Example for ordering Freewheel size BM 20, standard type and 30 mm bore: • BM 20 R, d = 30 mm |
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Add: Liudao Industrial Park, YaoguanTown, Wujin District , Changzhou City , Jiangsu Province, China , 213102
