KOYO B-78-OH Needle Non Thrust Roller Bearings
| Place of Origin |
Check Distributor Service |
| Brand Name |
Check Distributor |
| Certification |
Original certificate |
| Model Number |
KOYO B-78-OH |
| 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 |
321 |
Product Features
Check Distributor KOYO B-78-OH bearing Size Chart (mm/inches) |
|---|
| Series | L217800 |
| Cone Part Number | L217845D |
| Cup Part Number | L217810 |
| Design Units | Imperial |
| Bearing Weight | 3.7 lb |
| Cage Type | Stamped Steel |
| Aa - Cage-Cone Backface Clearance | 0 in |
| d | 3.3750 in |
| D | 4.8750 in |
| B - Double Cone Width | 1.7500 in |
| C - Cup Width | 0.6563 in |
| T - Bearing Width across Cups | 1.6250 in |
| R - Cone Frontface To Clear Radius1 | 0.030 in |
| r - Cup Backface To Clear Radius2 | 0.06 in |
| da - Cone Frontface Backing Diameter | 3.66 in |
| Db - Cup Backface Backing Diameter | 4.57 in |
| Ab - Cage-Cone Frontface Clearance | 0.04 in |
| C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 | 5400 lbf |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 | 36300 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 | 9400 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 3050 lbf |
| K - Factor7 | 1.77 |
| e - ISO Factor8 | 0.33 |
| Y1 - ISO Factor9 | 2.05 |
| Y2 - ISO Factor10 | 3.05 |
| G1 - Heat Generation Factor (Roller-Raceway)11 | 111 |
| G2 - Heat Generation Factor (Rib-Roller End) | 74.7 |
| Cg - Geometry Factor12 | 0.115 |