KOYO B-97 Needle Non Thrust Roller Bearings
| Place of Origin |
Check Distributor Service |
| Brand Name |
Check Distributor |
| Certification |
Original certificate |
| Model Number |
KOYO B-97 |
| Min.Order Quantity |
check bearing service company |
| Price |
Contact With Authorized agent |
| Packaging Details |
Original industrial package |
| Delivery Time |
Within 5 working days |
| Payment Terms |
paypal,UnionPay, Visa/MasterCard, Amex, Discover,T/T |
| Supply Ability |
127 |
Product Features
Check Distributor KOYO B-97 bearing Size Chart (mm/inches) |
|---|
| Series | 30211 |
| Cone Part Number | X30211 |
| Cup Part Number | Y30211 |
| Design Units | METRIC |
| Bearing Weight | 0.70 Kg |
| Cage Type | Stamped Steel |
| d | 55.000 mm |
| D | 100.000 mm |
| B - Cone Width | 21.000 mm |
| C - Cup Width | 18.000 mm |
| B | 22.750 mm |
| R - Cone Backface To Clear Radius1 | 2.030 mm |
| r - Cup Backface To Clear Radius2 | 1.52 mm |
| da - Cone Frontface Backing Diameter | 64.01 mm |
| db - Cone Backface Backing Diameter | 67.06 mm |
| Da - Cup Frontface Backing Diameter | 95.5 mm |
| Db - Cup Backface Backing Diameter | 90.93 mm |
| Ab - Cage-Cone Frontface Clearance | 4.1 mm |
| Aa - Cage-Cone Backface Clearance | 1 mm |
| a - Effective Center Location3 | -1.8 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 32900 N |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 127000 N |
| C0 - Static Radial Rating | 122000 N |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 22800 N |
| K - Factor7 | 1.44 |
| e - ISO Factor8 | 0.4 |
| Y - ISO Factor9 | 1.48 |
| G1 - Heat Generation Factor (Roller-Raceway) | 41.9 |
| G2 - Heat Generation Factor (Rib-Roller End) | 22.8 |
| Cg - Geometry Factor | 0.0897 |