4,762 mm x 12,7 mm x 4,978 mm NMB R-3KK deep groove ball bearings
NMB Bearing are a few brands you will find in our BEARING-SINGAPORE (PTE)LTD. inventory. 4,762 mm x 12,7 mm x 4,978 mm Find 4,762 mm x 12,7 mm x 4,978 mm NMB R-3KK deep groove ball bearings to see what's in stock!
What is R-3KK bearing cross reference？
| Brand Name: | NMB |
| Model Number: | R-3KK |
| Series: | 30312 |
| Cone Part Number: | X30312 |
| Cup Part Number: | Y30312 |
| Design Units: | METRIC |
| Bearing Weight: | 2 Kg |
| Cage Type: | Stamped Steel |
| d: | 60.000 mm |
| D: | 130.000 mm |
| PDF |
R-3KK |
Product Details
| Series | 30312 |
| Cone Part Number | X30312 |
| Cup Part Number | Y30312 |
| Design Units | METRIC |
| Bearing Weight | 2 Kg |
| Cage Type | Stamped Steel |
| d | 60.000 mm |
| D | 130.000 mm |
| B - Cone Width | 31.000 mm |
| C - Cup Width | 26.000 mm |
| B | 33.500 mm |
| R - Cone Backface To Clear Radius1 | 3.050 mm |
| r - Cup Backface To Clear Radius2 | 2.54 mm |
| da - Cone Frontface Backing Diameter | 69.09 mm |
| db - Cone Backface Backing Diameter | 73.91 mm |
| Da - Cup Frontface Backing Diameter | 121.90 mm |
| Db - Cup Backface Backing Diameter | 116.08 mm |
| Ab - Cage-Cone Frontface Clearance | 4.8 mm |
| Aa - Cage-Cone Backface Clearance | 1.8 mm |
| a - Effective Center Location3 | -7.1 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 52200 N |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 201000 N |
| C0 - Static Radial Rating | 221000 N |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 30800 N |
| K - Factor7 | 1.69 |
| e - ISO Factor8 | 0.35 |
| Y - ISO Factor9 | 1.74 |
| G1 - Heat Generation Factor (Roller-Raceway) | 75.8 |
| G2 - Heat Generation Factor (Rib-Roller End) | 22.2 |
| Cg - Geometry Factor | 0.071 |
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