KOYO NA4904 needle roller bearings
KOYO NA4904 needle roller bearings with easy-to-use parts graphics, giving you Quote Days to Ship the ability to check parts availability, pricing, examine remanufactured options.
| Days to Ship | Quote |
| Load Direction | Radial |
| d | 45 |
| D | 55 |
| B | 26 |
| Number of Raceway Ring Rows | Single Row |
| Size Standards | Metric System |
| Basic Load Rating, Dynamic Rating(N) | 32000 |
| Sealing Structure | Double-sided Seal Type |
| Lubricant | Presence |
| Format symbol | HMK |
| Specifications | Open End Double-sided Seal |
| Revolution Frequency(rpm) | 3600 |
| Series | Heavy Load |
| Case hardening (outer ring only) | No |
| Outer ring oil hole | No |
| Premium shell bearing | No |
| Post-assembly heat treatment (pre-bent type) | No |
| Raceway Ring Shape | Needle Roller |
| Inner/Outer Ring Material | Steel |
| Outer Ring | With Outer Ring |
| Specifications/Environment | Standard |
| Rolling Element Material | Steel |
| Outer Ring Type | Flat |
Detailed Parameters
parameter：
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