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| Place of Origin | CHINA |
| Brand Name | SUMA |
| Certification | ISO SGS |
| Model Number | CKF-A50150 |
CKF-A50150 One Way Roller Type Bearing Overrunning Clutch Bearing for Industry
Features
CKF-A is a non-contact sprag type one way clutch. The inner ring is designed for unidirectional function without bearing support. Bearing must be installed to ensure the coaxiality of the inner ring and outer ring when used.
When used for the purpose of preventing reversal, it is necessary to check that the speed must not be lower than the minimum allowable value for exceeding the speed, as shown in the table below.
This model is mainly used to prevent reversal under high speed working condition. It can also be used for high speed overrunning clutch and low speed wedge drive switching device.
Technical Datas
| Item | CKF-A50150 |
| Material | GCr15 |
| Bore dia. | 50 mm |
| Outer dia. | 150 mm |
| Width (B) | 40 mm |
| Torque capacity | 1120 N.m |
| Overrunning limiting speed (inner race) | 4000 r/min |
| Overrunning limiting speed (outer race) | 610 r/min |
| Weight | 4.7 kg |
| Package | Carton box or as your requirements |
Dimensions and Capacities
| Type | Torque Nm |
Overrunning Limited Speed r/min |
d[H7] | D[h7] | e[H7] | F | G | C | B | A | n-d1 | bn*tn | Weight [kg] |
|
| out race | inner race | |||||||||||||
| CFK-A2090 | 140 | 875 | 6000 | 20 | 90 | 66 | 78 | 36 | 35 | 35 | 25 | 6-6.6 | 6×2.8 | 1.50 |
| CFK-A2595 | 190 | 825 | 6000 | 25 | 95 | 70 | 82 | 40 | 35 | 35 | 25 | 6-6.6 | 8×3.3 | 1.60 |
| CFK-A30102 | 340 | 780 | 6000 | 30 | 102 | 75 | 87 | 45 | 40 | 40 | 30 | 6-6.6 | 8×3.3 | 1.80 |
| CFK-A35110 | 425 | 740 | 6000 | 35 | 110 | 82 | 96 | 52 | 40 | 40 | 30 | 6-6.6 | 10×3.3 | 2.10 |
| CFK-A40125 | 625 | 720 | 5000 | 40 | 125 | 92 | 108 | 62 | 40 | 40 | 30 | 8-6.6 | 12×3.3 | 2.90 |
| CFK-A45130 | 715 | 665 | 5000 | 45 | 130 | 94 | 112 | 64 | 40 | 40 | 30 | 8-9.0 | 14×3.8 | 3.10 |
| CFK-A50150 | 1120 | 610 | 4000 | 50 | 150 | 114 | 132 | 84 | 40 | 40 | 30 | 8-9.0 | 14×3.8 | 4.70 |
| CFK-A55160 | 1300 | 600 | 4000 | 55 | 160 | 116 | 138 | 86 | 45 | 45 | 34 | 8-9.0 | 16×4.3 | 5.40 |
| CFK-A60175 | 1500 | 490 | 3200 | 60 | 175 | 135 | 155 | 95 | 70 | 60 | 47 | 8-11.0 | 18×4.4 | 8.5 |
| CFK-A70190 | 2250 | 480 | 3200 | 70 | 190 | 140 | 165 | 100 | 70 | 60 | 47 | 12-11.0 | 20×4.9 | 10 |
| CFK-A80210 | 3000 | 450 | 2400 | 80 | 210 | 160 | 185 | 120 | 80 | 70 | 48 | 12-11.0 | 22×5.4 | 14 |
| CFK-A90230 | 4600 | 420 | 2400 | 90 | 230 | 180 | 206 | 140 | 90 | 80 | 67 | 12-13.5 | 25×5.4 | 19 |
| CFK-A100280 | 7600 | 455 | 2000 | 100 | 280 | 200 | 240 | 160 | 105 | 100 | 67 | 12-17.5 | 28×6.4 | 34 |
| CFK-A130320 | 13600 | 415 | 2000 | 130 | 320 | 235 | 278 | 195 | 105 | 100 | 67 | 12-17.5 | 32×7.4 | 44 |
| CFK-A150400 | 24500 | 365 | 2000 | 150 | 400 | 320 | 360 | 256 | 105 | 100 | 86 | 12-17.5 | 36×8.4 | 73 |
Sprag lift-off X
Internal Freewheels FXN are equipped with sprag lift-off X. The sprag lift-off X is used for backstops and overrunning clutches, provided that in freewheeling operation the inner ring is rotating at high speed and providing with overrunning clutches that the driving operation is conducted at low speed. In freewheeling operation, the centrifugal force F C causes the sprag to lift off from the outer track. In this operating state, the freewheel works wear-free,i.e. with unlimited service life.
Figure 76-2 shows a freewheel with sprag lift-off X in freewheeling operation. The sprags,which are supported in a cage connected with the inner ring, rotate with the inner ring. Thecentrifugal force F C that is applied in the center of gravity S of the sprag turns the sprag coun-terclockwiseand rests against the support ring of the cage. This results in the gap a between the sprag and the outer track; the freewheel works with out contact. If the inner ring speed decreases to such an extent that the effect of the centrifugal force on the sprag is less than that of the spring force FF , the sprag again rests on the outer ring and the freewheel is ready to lock (figure 76-3). If used as an overrunning clutch, the driving speed must not exceed 40% of the lift-off speed.
Pictures
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