0.354 Inch | 9 Millimeter x 0.472 Inch | 12 Millimeter x 0.472 Inch | 12 Millimeter KOYO JR9X12X12 Needle Non Thrust Roller Bearings
LET OUR 0.354 Inch | 9 Millimeter x 0.472 Inch | 12 Millimeter x 0.472 Inch | 12 Millimeter KOYO JR9X12X12 Needle Non Thrust Roller Bearings EXPERTS ROLLWAY BEARING Sales Co., Ltd. GET YOU THE 0.354 Inch | 9 Millimeter x 0.472 Inch | 12 Millimeter x 0.472 Inch | 12 Millimeter PARTS YOU NEED.
| Brand Name: | KOYO |
| Model Number: | JR9X12X12 |
| Series: | 93000 |
| Cone Part Number: | 93708 |
| Cup Part Number: | J93129A |
| Design Units: | Imperial |
| Bearing Weight: | 21.7 Kg |
| Cage Type: | Stamped Steel |
| d: | 179.974 mm |
| D: | 319.999 mm |
| PDF |
JR9X12X12 |
Product Details
| Series | 93000 |
| Cone Part Number | 93708 |
| Cup Part Number | J93129A |
| Design Units | Imperial |
| Bearing Weight | 21.7 Kg |
| Cage Type | Stamped Steel |
| d | 179.974 mm |
| D | 319.999 mm |
| B - Cone Width | 63.5 mm |
| C - Cup Width | 46.038 mm |
| B | 63.5 mm |
| R - Cone Backface To Clear Radius1 | 3.560 mm |
| r - Cup Backface To Clear Radius2 | 3.30 mm |
| da - Cone Frontface Backing Diameter | 203.96 mm |
| db - Cone Backface Backing Diameter | 209.04 mm |
| Da - Cup Frontface Backing Diameter | 298.50 mm |
| Db - Cup Backface Backing Diameter | 287.02 mm |
| Ab - Cage-Cone Frontface Clearance | 5.3 mm |
| Aa - Cage-Cone Backface Clearance | 8.1 mm |
| a - Effective Center Location3 | 7.9 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 42600 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 164000 lbf |
| C0 - Static Radial Rating | 290000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 38200 lbf |
| K - Factor7 | 1.12 |
| e - ISO Factor8 | 0.52 |
| Y - ISO Factor9 | 1.15 |
| G1 - Heat Generation Factor (Roller-Raceway) | 912.5 |
| G2 - Heat Generation Factor (Rib-Roller End) | 126.1 |
| Cg - Geometry Factor | 0.146 |
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