KOYO 21078/21212 tapered roller bearings
100% Authentic. KOYO 21078/21212 tapered roller bearings Needle Roller Raceway Ring Shape Highest 20000 Revolution Frequency(rpm) Quality. Shandong Chik Bearing Co., Ltd. Certified Supplier.
What is 21078/21212 bearing interchange？
| Brand Name: |
KOYO |
| Model Number: |
21078/21212 |
| Series: |
L269100 |
| Cone Part Number: |
L269143 |
| Cup Part Number: |
L269110 |
| Design Units: |
Imperial |
| Bearing Weight: |
22.8 Kg |
| Cage Type: |
Pin-Type |
| d: |
431.800 mm |
| D: |
533.400 mm |
| PDF |
21078/21212 |
Product Details
| Series |
L269100 |
| Cone Part Number |
L269143 |
| Cup Part Number |
L269110 |
| Design Units |
Imperial |
| Bearing Weight |
22.8 Kg |
| Cage Type |
Pin-Type |
| d |
431.800 mm |
| D |
533.400 mm |
| B - Cone Width |
50.8 mm |
| C - Cup Width |
36.513 mm |
| B |
50.800 mm |
| R - Cone Backface To Clear Radius1 |
3.300 mm |
| r - Cup Backface To Clear Radius2 |
3.30 mm |
| da - Cone Frontface Backing Diameter |
445.01 mm |
| db - Cone Backface Backing Diameter |
450.09 mm |
| Da - Cup Frontface Backing Diameter |
525.02 mm |
| Db - Cup Backface Backing Diameter |
515.87 mm |
| Ab - Cage-Cone Frontface Clearance |
3.6 mm |
| Aa - Cage-Cone Backface Clearance |
1.8 mm |
| a - Effective Center Location3 |
25.9 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 |
46200 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 |
178000 lbf |
| C0 - Static Radial Rating |
396000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
26300 lbf |
| K - Factor7 |
1.76 |
| e - ISO Factor8 |
0.33 |
| Y - ISO Factor9 |
1.8 |
| G1 - Heat Generation Factor (Roller-Raceway) |
3088.3 |
| G2 - Heat Generation Factor (Rib-Roller End) |
671.4 |
| Cg - Geometry Factor |
0.185 |
Company Profile
| Worktime |
9:00-18:00(BeiJing time) |
| Phone |
86-13563849567 |