NTN 687ZZ JAPAN Bearing 8*16*4
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What is 687ZZ bearing cross reference？
| Brand Name: |
NTN |
| Model Number: |
687ZZ |
| Cone Part Number: |
LM720646 |
| Design Units: |
Imperial |
| Cage Type: |
Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: |
47700 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: |
12400 lbf |
| d: |
3.9360 in |
| B - Cone Width: |
1.0000 in |
| R - Cone Backface To Clear Radius3: |
0.06 in |
Product Details
| Cone Part Number |
LM720646 |
| Design Units |
Imperial |
| Cage Type |
Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 |
47700 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 |
12400 lbf |
| d |
3.9360 in |
| B - Cone Width |
1.0000 in |
| R - Cone Backface To Clear Radius3 |
0.06 in |
| da - Cone Frontface Backing Diameter |
4.25 in |
| db - Cone Backface Backing Diameter |
4.29 in |
| Ab - Cage-Cone Frontface Clearance |
0.08 in |
| Aa - Cage-Cone Backface Clearance |
0.07 in |
| a - Effective Center Location4 |
0.19 in |
| C90 - Dynamic Radial Rating (90 million revolutions)5 |
7100 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)6 |
27400 lbf |
| C0 - Static Radial Rating |
45400 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 |
5580 lbf |
| K - Factor8 |
1.27 |
| G1 - Heat Generation Factor (Roller-Raceway) |
127.6 |
| G2 - Heat Generation Factor (Rib-Roller End) |
62.7 |
| Cg - Geometry Factor |
0.134 |