Precision bearings
型号 | 基本尺寸 | 基本额定载荷 | 额定转速 | ||||
---|---|---|---|---|---|---|---|
Model | dynamic | static | Reference speed | Limiting speed | |||
d[mm] | D[mm] | B[mm] | C[kN] | C0[kN] | [r/min] | [r/min] | |
61921-ZNR | 105 | 145 | 20 | - | - | - | - |
61921-ZN | 105 | 145 | 20 | - | - | - | - |
61921-Z | 105 | 145 | 20 | 43.9 | 44.3 | 3800 | 4000 |
61921-RZ | 105 | 145 | 20 | 43.9 | 44.3 | 3800 | 4800 |
61921-RS | 105 | 145 | 20 | - | - | - | - |
61921NR | 105 | 145 | 20 | - | - | - | - |
61921N | 105 | 145 | 20 | - | - | - | - |
61921M/P6 | 105 | 145 | 20 | - | - | - | - |
61921-LS | 105 | 145 | 20 | 43.9 | 44.3 | 2900 | - |
61921-2Z | 105 | 145 | 20 | 43.9 | 44.3 | 3800 | 4000 |
61921-2RZ | 105 | 145 | 20 | 43.9 | 44.3 | 3800 | 4800 |
61921-2RS | 105 | 145 | 20 | - | - | - | - |
61921-2LS | 105 | 145 | 20 | 43.9 | 44.3 | 2900 | - |
61920-ZNR | 100 | 140 | 20 | - | - | - | - |
61920-ZN | 100 | 140 | 20 | 42.7 | 41.9 | 4000 | 5000 |
61920-Z | 100 | 140 | 20 | 42.7 | 41.9 | 4000 | 5000 |
61920-RZ | 100 | 140 | 20 | 42.7 | 41.9 | 4000 | 5000 |
61920-RS | 100 | 140 | 20 | - | - | - | - |
61920NR | 100 | 140 | 20 | - | - | - | - |
61920N | 100 | 140 | 20 | 42.7 | 41.9 | 4000 | 5000 |
61920M | 100 | 140 | 20 | — | — | — | — |
61920-LS | 100 | 140 | 20 | 42.7 | 41.9 | 3000 | - |
61920-2Z | 100 | 140 | 20 | 42.7 | 41.9 | 4000 | 5000 |
61920-2RZ | 100 | 140 | 20 | 42.7 | 41.9 | 4000 | 5000 |
61920-2RS | 100 | 140 | 20 | - | - | - | - |
61920-2LS | 100 | 140 | 20 | 42.7 | 41.9 | 3000 | - |
61919-ZNR | 95 | 130 | 18 | - | - | - | - |
61919-ZN | 95 | 130 | 18 | 33.7 | 33.3 | 4300 | 5300 |
61919-Z | 95 | 130 | 18 | 33.7 | 33.3 | 4300 | 5300 |
61919-RZ | 95 | 130 | 18 | 33.7 | 33.3 | 4300 | 5300 |
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