021.30.1200 Slewing Bearing 978x1262x124mm
| Series: |
28000 |
| Cone Part Number: |
28138 |
| Cup Part Number: |
28300X |
| Design Units: |
Imperial |
| Bearing Weight: |
0.4 Kg |
| Cage Type: |
Stamped Steel |
| d: |
34.976 mm |
| D: |
76.2 mm |
| PDF |
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Product Details
| Series |
28000 |
| Cone Part Number |
28138 |
| Cup Part Number |
28300X |
| Design Units |
Imperial |
| Bearing Weight |
0.4 Kg |
| Cage Type |
Stamped Steel |
| d |
34.976 mm |
| D |
76.2 mm |
| B - Cone Width |
20.940 mm |
| C - Cup Width |
15.494 mm |
| B |
20.625 mm |
| R - Cone Backface To Clear Radius1 |
1.520 mm |
| r - Cup Backface To Clear Radius2 |
1.52 mm |
| da - Cone Frontface Backing Diameter |
40.89 mm |
| db - Cone Backface Backing Diameter |
43.43 mm |
| Da - Cup Frontface Backing Diameter |
71.88 mm |
| Db - Cup Backface Backing Diameter |
68.07 mm |
| Ab - Cage-Cone Frontface Clearance |
1.8 mm |
| Aa - Cage-Cone Backface Clearance |
1.5 mm |
| a - Effective Center Location3 |
-4.8 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 |
3700 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 |
14300 lbf |
| C0 - Static Radial Rating |
15500 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
2550 lbf |
| K - Factor7 |
1.45 |
| e - ISO Factor8 |
0.4 |
| Y - ISO Factor9 |
1.49 |
| G1 - Heat Generation Factor (Roller-Raceway) |
20.7 |
| G2 - Heat Generation Factor (Rib-Roller End) |
12.5 |
| Cg - Geometry Factor |
0.0709 |