| Series |
30311M |
| Cone Part Number |
X30311M |
| Cup Part Number |
Y30311M |
| Design Units |
METRIC |
| Bearing Weight |
1.6 Kg |
| Cage Type |
Stamped Steel |
| d |
55.000 mm |
| D |
120.000 mm |
| B - Cone Width |
29.000 mm |
| C - Cup Width |
25.000 mm |
| B |
31.500 mm |
| R - Cone Backface To Clear Radius1 |
2.540 mm |
| r - Cup Backface To Clear Radius2 |
2.03 mm |
| da - Cone Frontface Backing Diameter |
70.10 mm |
| db - Cone Backface Backing Diameter |
71.12 mm |
| Da - Cup Frontface Backing Diameter |
114.00 mm |
| Db - Cup Backface Backing Diameter |
107.95 mm |
| Ab - Cage-Cone Frontface Clearance |
3.8 mm |
| Aa - Cage-Cone Backface Clearance |
-0.5 mm |
| a - Effective Center Location3 |
-6.6 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 |
45100 N |
| C1 - Dynamic Radial Rating (1 million revolutions)5 |
174000 N |
| C0 - Static Radial Rating |
190000 N |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
26600 N |
| K - Factor7 |
1.69 |
| e - ISO Factor8 |
0.35 |
| Y - ISO Factor9 |
1.74 |
| G1 - Heat Generation Factor (Roller-Raceway) |
62.8 |
| G2 - Heat Generation Factor (Rib-Roller End) |
24 |
| Cg - Geometry Factor |
0.0628 |