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140 mm x 250 mm x 42 mm NACHI NUP 228 cylindrical roller bearings
What are the dimensions of 800 rpm Nref a 140 mm x 250 mm x 42 mm NACHI NUP 228 cylindrical roller bearings? Cylindrical Roller Bearings Manufacturing Service Bearing equipment manufacturing Co., Ltd 4 mm r1s min . 140 mm x 250 mm x 42 mm Get Your Free, Instant Quote！
- NACHI
NUP 228
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Bearing equipment manufacturing Co., Ltd2020-07-10 09:46:19
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Details of140 mm x 250 mm x 42 mm NACHI NUP 228 cylindrical roller bearings
| Db min: | 402 mm | Nref: | 800 rpm | r1s min: | 4 mm |
| Characteristic cage frequency, FTF: | 0.45 Hz | Dynamic load, C: | 1,230 kN | r1a max: | 3 mm |
| B: | 87 mm | d1: | 349 mm | Da max: | 402 mm |
| ISO 355 reference: | T4FC280 | Size (mm): | 140 mm x 250 mm x 42 mm |
140 mm x 250 mm x 42 mm NACHI NUP 228 cylindrical roller bearingsCode system
NACHI NUP 228 bearing Size Chart (mm/inches) | |
|---|---|
| d | 45 mm |
| D | 75 mm |
| B | 16 mm |
| d1 ≈ | 54.75 mm |
| D2 ≈ | 67.8 mm |
| D3 | 71.83 mm |
| b | 1.9 mm |
| C | 2.49 mm |
| r0 max. | 0.6 mm |
| r1,2 min. | 1 mm |
| da min. | 50.8 mm |
| Da max. | 69.2 mm |
| Db min. | 83 mm |
| ba min. | 2.2 mm |
| Ca max. | 4.19 mm |
| ra max. | 1 mm |
| Basic dynamic load rating C | 22.1 kN |
| Basic static load rating C0 | 14.6 kN |
| Fatigue load limit Pu | 0.64 kN |
| Reference speed | 20000 r/min |
| Limiting speed | 12000 r/min |
| Calculation factor kr | 0.025 |
| Calculation factor f0 | 15 |
| Mass bearing | 0.24 kg |
140 mm x 250 mm x 42 mm NACHI NUP 228 cylindrical roller bearings Cad Models
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140 mm x 250 mm x 42 mm NACHI NUP 228 cylindrical roller bearings