M4-30P4 Rotek Slewing Ring Bearings
| Brand Name: | Rotek |
| Model Number: | M4-30P4 |
| Series: | LM12700 |
| Cone Part Number: | LM12749 |
| Cup Part Number: | LM12710 |
| Design Units: | Imperial |
| Bearing Weight: | 0.10 Kg |
| Cage Type: | Stamped Steel |
| d: | 21.986 mm |
| D: | 45.237 mm |
Product Details
| Series | LM12700 |
| Cone Part Number | LM12749 |
| Cup Part Number | LM12710 |
| Design Units | Imperial |
| Bearing Weight | 0.10 Kg |
| Cage Type | Stamped Steel |
| d | 21.986 mm |
| D | 45.237 mm |
| B - Cone Width | 16.637 mm |
| C - Cup Width | 12.065 mm |
| B | 15.494 mm |
| R - Cone Backface To Clear Radius1 | 1.270 mm |
| r - Cup Backface To Clear Radius2 | 1.27 mm |
| da - Cone Frontface Backing Diameter | 25.91 mm |
| db - Cone Backface Backing Diameter | 27.43 mm |
| Da - Cup Frontface Backing Diameter | 42.40 mm |
| Db - Cup Backface Backing Diameter | 39.62 mm |
| Ab - Cage-Cone Frontface Clearance | 1 mm |
| Aa - Cage-Cone Backface Clearance | 0.3 mm |
| a - Effective Center Location3 | -5.3 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 2250 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 8680 lbf |
| C0 - Static Radial Rating | 7930 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 1180 lbf |
| K - Factor7 | 1.91 |
| e - ISO Factor8 | 0.31 |
| Y - ISO Factor9 | 1.96 |
| G1 - Heat Generation Factor (Roller-Raceway) | 8.2 |
| G2 - Heat Generation Factor (Rib-Roller End) | 6.98 |
| Cg - Geometry Factor | 0.048 |
Company Profile
| Worktime |
9:00-18:00（Beijing time） |
| Phone |
86-02-7234259 |
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