The W6308 is a deep groove ball bearing with bore 40mm, outer diameter 90mm, and width 36.53mm rated for dynamic load 40.5 kN.
| Bearing type | Deep Groove Ball Bearings |
| Series | W6300 Series |
| Seal type | Confirm per inquiry |
| Material | Confirmed per inquiry — grade and certificate availability reviewed before quotation |
| Bore type | Confirmed per drawing |
| Dimension unit | millimeter (mm) |
Catalog variants open a detail page. Inquiry-only configurations go directly to RFQ.
| Seal Type | Model Code | Typical Use | |
|---|---|---|---|
| Double metal shields | W6308 ZZ (inquiry only) | General dust protection | Quote → |
| Double contact rubber seals | W6308 2RS (inquiry only) | Dust and moisture protection at moderate speed | Quote → |
| Double non-contact rubber seals | W6308 2RZ (inquiry only) | Lower-friction sealing at higher speed | Quote → |
| C3 radial clearance | W6308 C3 (inquiry only) | Motors and applications with higher operating temperature | Quote → |
| Bore diameter (d) | 40 |
| Outer diameter (D) | 90 |
| Width (B) | 36.53 |
Corner radius, shoulder dimensions, fits and tolerances are confirmed against the requested suffix and application drawing before quotation.
Drawings and 3D models are provided per inquiry. Tell us your application and we will send the appropriate file format (DXF, DWG, STEP, IGES).
Lubrication method and application speed limit are confirmed per inquiry; no oil-speed value is derived from this number.
The models below share the 40x90x36.53 mm boundary dimensions. Matching d/D/B alone does not prove interchangeability; verify seals, clearance, ring features, load ratings, fits, and application conditions before replacement.
No other catalog models share the same boundary dimensions.
Same bearing family or similar dimensions.
Similar size — reference only, verify all interfacesNLHB supports both in-house manufacturing and qualified partner sourcing. We confirm the specification, supply route, inspection requirements, and available documentation before quotation.
About NLHB →Send us your quantity, application and target lead time. We confirm spec, interchange and realistic delivery — no order confirmed until you approve.
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