300RV4021 NSK Four-Row Cylindrical Roller Bearing
What are the dimensions 50.8 mm B - Cone Width 274.07 mm db - Cone Backface Backing Diameter of a 300RV4021 NSK Four-Row Cylindrical Roller Bearing? Spherical Roller Bearing Manufacturing Hebei Xiantong Bearing Co., Ltd. Service . Get Your Free, Instant Quote！
| Brand Name: | NSK |
| Model Number: | 300RV4021 |
| B - Cone Width: | 50.8 mm |
| db - Cone Backface Backing Diameter: | 274.07 mm |
| G2 - Heat Generation Factor (Rib-Roller End): | 172 |
| D: | 355.6 mm |
| Ab - Cage-Cone Frontface Clearance: | 7.6 mm |
| Bearing Weight: | 14.4 Kg |
| B: | 50.800 mm |
| C0 - Static Radial Rating: | 231000 lbf |
Product Details
| B - Cone Width | 50.8 mm |
| db - Cone Backface Backing Diameter | 274.07 mm |
| G2 - Heat Generation Factor (Rib-Roller End) | 172 |
| D | 355.6 mm |
| Ab - Cage-Cone Frontface Clearance | 7.6 mm |
| Bearing Weight | 14.4 Kg |
| B | 50.800 mm |
| C0 - Static Radial Rating | 231000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 23300 lbf |
| e - ISO Factor8 | 0.36 |
| G1 - Heat Generation Factor (Roller-Raceway) | 1070 |
| Aa - Cage-Cone Backface Clearance | 10.2 mm |
| da - Cone Frontface Backing Diameter | 263.91 mm |
| Series | 170000 |
| Cg - Geometry Factor | 0.135 |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 144000 lbf |
| r - Cup Backface To Clear Radius2 | 3.30 mm |
| a - Effective Center Location3 | 5.8 mm |
| Design Units | Imperial |
| K - Factor7 | 1.61 |
Company Profile
| Worktime |
9:00-18:00（Beijing time） |
| Phone |
86-02-7234259 |
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