1,984 mm x 6,35 mm x 2,38 mm NMB RI-4 deep groove ball bearings
1,984 mm x 6,35 mm x 2,38 mm NMB RI-4 deep groove ball bearings Engineering Calculator , NMB Bearing Manufacturing Service . BEARING-SINGAPORE (PTE)LTD. 1,984 mm x 6,35 mm x 2,38 mm Get Your Free.
What is RI-4 bearing interchange？
| Brand Name: | NMB |
| Model Number: | RI-4 |
| Series: | 18500 |
| Cone Part Number: | 18587 |
| Cup Part Number: | 18520 |
| Design Units: | Imperial |
| Bearing Weight: | 0.30 Kg |
| Cage Type: | Stamped Steel |
| d: | 39.688 mm |
| D: | 73.025 mm |
Product Details
| Series | 18500 |
| Cone Part Number | 18587 |
| Cup Part Number | 18520 |
| Design Units | Imperial |
| Bearing Weight | 0.30 Kg |
| Cage Type | Stamped Steel |
| d | 39.688 mm |
| D | 73.025 mm |
| B - Cone Width | 17.463 mm |
| C - Cup Width | 12.700 mm |
| B | 16.667 mm |
| R - Cone Backface To Clear Radius1 | 0.760 mm |
| r - Cup Backface To Clear Radius2 | 1.52 mm |
| da - Cone Frontface Backing Diameter | 44.96 mm |
| db - Cone Backface Backing Diameter | 45.47 mm |
| Da - Cup Frontface Backing Diameter | 69.10 mm |
| Db - Cup Backface Backing Diameter | 66.04 mm |
| Ab - Cage-Cone Frontface Clearance | 2 mm |
| Aa - Cage-Cone Backface Clearance | -0.3 mm |
| a - Effective Center Location3 | -2.8 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 2960 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 11400 lbf |
| C0 - Static Radial Rating | 13100 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 1770 lbf |
| K - Factor7 | 1.67 |
| e - ISO Factor8 | 0.35 |
| Y - ISO Factor9 | 1.71 |
| G1 - Heat Generation Factor (Roller-Raceway) | 21 |
| G2 - Heat Generation Factor (Rib-Roller End) | 15.4 |
| Cg - Geometry Factor | 0.0681 |
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