Koyo BK0408 drawn cup needle roller bearing
Koyo BK0408 drawn cup needle roller bearing: roller bore diameter Fw 4 mm, outside diameter D 8 mm, width 8 mm; cross-references: IKO TLAM48, INA BK0408B.
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 | 4 mm |
|---|---|
| Outside diameter D | 8 mm |
| Width | 8 mm |
| Basic dynamic load rating Cr | 1.83 kN |
| Shaft diameter | 4 mm |
| Basic static load rating C0r | 1.32 kN |
| Limiting speed, grease lubrication | 25000 min-1 |
| Limiting speed, oil lubrication | 39000 min-1 |
| Mass | 0.002 kg |
| Product type | Drawn cup needle roller bearings, metric series |
All specifications: Verified printed in Koyo’s own catalogue
Cross-references
| Part | Manufacturer | Relationship | Evidence | |
|---|---|---|---|---|
| TLAM48 | IKO | Dimensional interchange | Single source stated by Koyo; not corroborated | |
| BK0408B | INA | Dimensional interchange | Single source stated by Koyo; not corroborated | |
Koyo: 'Dimensional interchangeability only. This does not imply interchangeable in all respects.' (Metric NRB Interchange Guide p18)
Documents
Documents open on the publisher's own site; we link them and never host a copy.