Koyo K70X78X30H needle roller and cage assembly
Koyo K70X78X30H needle roller and cage assembly: roller bore diameter Fw 70 mm, width 30 mm, basic dynamic load rating Cr 62.2 kN; cross-references: IKO KT707830C3, INA K70X78X30A.
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 | 70 mm |
|---|---|
| Width | 30 mm |
| Basic dynamic load rating Cr | 62.2 kN |
| Shaft diameter | 70 mm |
| Roller outside diameter Ew | 78 mm |
| Basic static load rating C0r | 139.0 kN |
| Limiting speed, grease lubrication | 3900 min-1 |
| Limiting speed, oil lubrication | 6000 min-1 |
| Mass | 0.140 kg |
| Product type | Radial needle roller and cage assemblies, metric series |
All specifications: Verifiedprinted in Koyo’s own catalogue
Cross-references
| Part | Manufacturer | Relationship | Evidence | |
|---|---|---|---|---|
| KT707830C3 | IKO | Dimensional interchange | Single sourcestated by Koyo; not corroborated | |
| K70X78X30A | 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)
Documents
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