
Koyo RNA4926 needle roller bearing inner ring
Koyo RNA4926 needle roller bearing inner ring: roller bore diameter Fw 150 mm, outside diameter D 180 mm, width 50 mm; cross-references: IKO RNA4926, INA RNA4926.
Figure © Koyo, clipped unaltered from Koyo Ball & Roller Bearings catalog B2001E-6 — Standard Bearings section (B2001E-6b). It illustrates the product family printed there, which may include other sizes. Removed on request.


Specifications
| Roller bore diameter Fw | 150 mm |
|---|---|
| Outside diameter D | 180 mm |
| Width | 50 mm |
| Basic dynamic load rating Cr | 201 kN |
| Shaft diameter | 150 mm |
| Basic static load rating C0r | 495 kN |
| Limiting speed, grease lubrication | 1800 min-1 |
| Limiting speed, oil lubrication | 2800 min-1 |
| Mass | 2.420 kg |
| Product type | Heavy-duty needle roller bearings without inner rings, metric series |
All specifications: Verifiedprinted in Koyo’s own catalogue
Cross-references
| Part | Manufacturer | Relationship | Evidence | |
|---|---|---|---|---|
| RNA4926 | IKO | Dimensional interchange | Single sourcestated by Koyo; not corroborated | |
| RNA4926 | INA | Dimensional interchange | Single sourcestated by Koyo; not corroborated | |
Koyo: 'Dimensional interchangeability only. This does not imply interchangeable in all respects.' (Metric NRB Interchange Guide p18)
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