40 mm x 55 mm x 30 mm KOYO NQI40/30 needle roller bearings
High Quality KOYO NQI40/30 needle roller bearings. Non-Flanged Cup flange type: Competitive KOYO Bearings Uncoated finish/coating: Pricing. Accept Small Order. Easy and Fast Shipping.
What is NQI40/30 bearing interchange？
| Brand Name: | KOYO |
| Model Number: | NQI40/30 |
| Series: | 1900 |
| Cone Part Number: | 1986 |
| Design Units: | Imperial |
| Cage Type: | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: | 18900 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: | 4910 lbf |
| d: | 1.0000 in |
| B - Cone Width: | 0.7620 in |
| PDF |
NQI40/30 |
Product Details
| Series | 1900 |
| Cone Part Number | 1986 |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 18900 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 4910 lbf |
| d | 1.0000 in |
| B - Cone Width | 0.7620 in |
| R - Cone Backface To Clear Radius3 | 0.050 in |
| da - Cone Frontface Backing Diameter | 1.26 in |
| db - Cone Backface Backing Diameter | 1.34 in |
| Ab - Cage-Cone Frontface Clearance | 0.08 in |
| Aa - Cage-Cone Backface Clearance | 0 in |
| a - Effective Center Location4 | -0.23 in |
| C90 - Dynamic Radial Rating (90 million revolutions)5 | 2820 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)6 | 10900 lbf |
| C0 - Static Radial Rating | 11300 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 | 1590 lbf |
| K - Factor8 | 1.77 |
| G1 - Heat Generation Factor (Roller-Raceway) | 12.5 |
| G2 - Heat Generation Factor (Rib-Roller End) | 6.33 |
| Cg - Geometry Factor | 0.0565 |
