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 |
| PDF |
RI-4 |
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 |