NTN 688ZZ JAPAN Bearing
| Brand Name: | NTN |
| Model Number: | 688ZZ |
| Series: | HM522600 |
| Cone Part Number: | JHM522649AC |
| Cup Part Number: | JHM522610 |
| Design Units: | METRIC |
| Bearing Weight: | 4.5 Kg |
| Cage Type: | Stamped Steel |
| d: | 110 mm |
| D: | 180 mm |
Product Details
| Series | HM522600 |
| Cone Part Number | JHM522649AC |
| Cup Part Number | JHM522610 |
| Design Units | METRIC |
| Bearing Weight | 4.5 Kg |
| Cage Type | Stamped Steel |
| d | 110 mm |
| D | 180 mm |
| B - Cone Width | 46.000 mm |
| C - Cup Width | 38 mm |
| B | 47.000 mm |
| R - Cone Backface To Clear Radius1 | 7.110 mm |
| r - Cup Backface To Clear Radius2 | 2.54 mm |
| da - Cone Frontface Backing Diameter | 121.92 mm |
| db - Cone Backface Backing Diameter | 137.92 mm |
| Da - Cup Frontface Backing Diameter | 172 mm |
| Db - Cup Backface Backing Diameter | 162.05 mm |
| Ab - Cage-Cone Frontface Clearance | 4.6 mm |
| Aa - Cage-Cone Backface Clearance | 2 mm |
| a - Effective Center Location3 | -5.8 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 114000 N |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 440000 N |
| C0 - Static Radial Rating | 554000 N |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 79200 N |
| K - Factor7 | 1.44 |
| e - ISO Factor8 | 0.41 |
| Y - ISO Factor9 | 1.48 |
| G1 - Heat Generation Factor (Roller-Raceway) | 259.2 |
| G2 - Heat Generation Factor (Rib-Roller End) | 52.1 |
| Cg - Geometry Factor | 0.113 |
