The BL309ZZ is a deep groove ball bearing with bore 45mm, outer diameter 100mm, and width 25mm rated for dynamic load 61.0 kN.

| Bearing type | Deep Groove Ball Bearings |
| Series | Full-Complement Deep Groove Ball Bearings |
| 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) |
What each part of BL309ZZ means.
| BL | BL = maximum-type / full-complement bearing |
| Bore diameter (d) | 45 |
| Outer diameter (D) | 100 |
| Width (B) | 25 |
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 45x100x25 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 |
|---|---|---|---|---|
| 6309 | Same boundary dimensions — verify fit/load | 6300 | Open | Quote → |
| 6309 2RS | Same boundary dimensions — verify fit/load | 6300 | Rubber Seals | Quote → |
| 6309 2RZ | Same boundary dimensions — verify fit/load | 6300 | Rubber Seals | Quote → |
| 6309 ZZ | Same boundary dimensions — verify fit/load | 6300 | Metal Shields | Quote → |
| 6309N | Same boundary dimensions — verify fit/load | 6300 | Open | Quote → |
| 6309NR | Same boundary dimensions — verify fit/load | 6300 | Open | Quote → |
| 7309 | Same boundary dimensions — verify fit/load | 73 Series | Open | Quote → |
| BL309 | Configuration variant | Full-Complement Deep Groove Ball Bearings | Open | 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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