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 |