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Technical Specifications
| Shaft diameter (d)（mm) | Bearing No. | Dimension (mm/min.) | Load (Kgf) | Weight(KG) | ||||
| D | B | B1 | C | Cr | Cor | |||
| 20 | 1680204 | 52 | 18 | 29 | 17 | 10800 | 8000 | 0.231 |
| 25 | 1680205 | 62 | 21 | 31 | 19 | 15000 | 11200 | 0.34 |
| 30 | 1680206 | 72 | 22 | 35 | 20 | 19600 | 15300 | 0.48 |
| 35 | 1680207 | 80 | 23 | 36 | 21 | 22400 | 18000 | 0.61 |
| 40 | 1680208 | 85 | 24 | 39 | 22 | 25000 | 20400 | 0.655 |
| 45 | 1680209 | 90 | 25 | 42 | 23 | 31780 | 21100 | 0.748 |
| 50 | 1680210 | 100 | 27 | 45 | 25 | 33560 | 22670 | 1.156 |
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Suffixes |
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Sealing Types |
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2Z |
Metal shield (non-contact sealing) on both sides |
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2RS |
One lip rubber metal seal on both sides |
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2RS1 |
One lip rubber metal seal on both sides |
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2S |
One lip rubber metal seal (on both sides) |
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2F |
One lip rubber metal seal + flinger, on both sides |
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2T |
Three lip seal on both sides |
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T |
Outer ring with stopping pin |
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2TC |
Three lip seal on both sides+ metal cover |
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2TB |
Three lip seal + metal shield, on both sides |
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TDT |
Three lip seal at one side, double three lip seal on the other side |
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FS |
Sealing with one lip seal and a protective metal ring at one side and one lip seal on the other side |
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TBS |
Sealing with three lip seal and a protective metal ring at one side and one lip seal on the other side |
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TBT |
Sealing with three lip seal and a protective metal ring at one side and three lip seal on the other side |
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2P |
Five lip seal on both sides |
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2PB |
Five lip seal and metal shield, on both sides |
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2PC |
Five lip seal on both sides + metal cover |
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P |
Triple lip seal on one side, cylindrical surface of outer ring |
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PP |
Triple lip seal, cylindrical surface of outer ring |
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PB |
Triple lip seal on one side, spherical surface of outer ring |
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PPB |
Triple lip seal, spherical surface of outer ring |
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RR |
One lip seal cylindrical surface of outer ring |
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RRB |
One lip seal spherical surface of outer ring |
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KPP |
Triple lip seal cylindrical surface of outer ring |
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KPPB |
Triple lip seal spherical surface of outer ring |
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KR |
One lip seal on one side, cylindrical surface of outer ring |
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KRR |
One lip seal, cylindrical surface of outer ring |
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KRB |
One lip seal on one side, spherical surface |
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KRRB |
One lip seal, spherical surface |
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KRP |
One lip seal on one side and on the other side is triple lip seal |