The 4002TNFB is a track roller bearing with bore 20mm, outer diameter 56.5mm, and width 20.6mm.
| Bearing type | Track Roller Bearings |
| Series | TNFB |
| Seal type | Double Rubber Seals (2RS) |
| Material | Confirmed per inquiry — grade and certificate availability reviewed before quotation |
| Bore type | Confirmed per drawing |
| Dimension unit | millimeter (mm) |
| Bore diameter (d) | 20 |
| Outer diameter (D) | 56.5 |
| Width (B) | 20.6 |
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).
The models below share the 20x56.5x20.6 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.
| Model | Relationship | Series | Seal | Action |
|---|---|---|---|---|
| 4002TNFB-2RS | Configuration variant | Bevelling Machine Bearings | 2RS (double rubber seals) | Quote → |
NLHB 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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