The F634 ZZ is a deep groove ball bearing with bore 4mm, outer diameter 16mm, and width 5mm rated for dynamic load 1.7 kN.
| Bearing type | Deep Groove Ball Bearings |
| Series | F634 |
| Seal type | Metal Shields |
| Material | Confirmed per inquiry — grade and certificate availability reviewed before quotation |
| Bore type | Confirmed per drawing |
| Dimension unit | millimeter (mm) |
What each part of F634 ZZ means.
| F | F = flanged outer ring |
Catalog variants open a detail page. Inquiry-only configurations go directly to RFQ.
| Seal Type | Model Code | Typical Use | |
|---|---|---|---|
| Open | F634 | High speed in clean environments | Quote → |
| Double contact rubber seals | F634 2RS (inquiry only) | Dust and moisture protection at moderate speed | Quote → |
| Double non-contact rubber seals | F634 2RZ (inquiry only) | Lower-friction sealing at higher speed | Quote → |
| C3 radial clearance | F634 C3 (inquiry only) | Motors and applications with higher operating temperature | Quote → |
| Bore diameter (d) | 4 |
| Outer diameter (D) | 16 |
| Width (B) | 5 |
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 4x16x5 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 |
|---|---|---|---|---|
| -02 (WR16-A) | Different outer-ring feature | WR / International Series | Open | Quote → |
| -04 (WR16-B) | Different outer-ring feature | WR / International Series | Open | Quote → |
| -05 (WR16-C) | Different outer-ring feature | WR / International Series | Open | Quote → |
| -07 (WR16-D) | Different outer-ring feature | WR / International Series | Open | Quote → |
| 30.M.14.078-02 | Different outer-ring feature | V-Groove / U-Groove | Open | Quote → |
| 30.M.14.078-04 | Different outer-ring feature | V-Groove / U-Groove | Open | Quote → |
| 30.M.14.078-07 | Different outer-ring feature | V-Groove / U-Groove | Open | Quote → |
| 30.M.14.078-08 | Different outer-ring feature | V-Groove / U-Groove | Open | Quote → |
| 420-M.294.012/1-01 | Different outer-ring feature | V-Groove / U-Groove | Open | Quote → |
| 634 | Different outer-ring feature | 6300 | Open | Quote → |
| 634 2rs | Different outer-ring feature | Metric Miniature Series | Sealed | Quote → |
| 634 ZZ | Different outer-ring feature | Extra Small / Miniature Deep Groove Ball Bearing | Metal Shields | Quote → |
| 634zz | Different outer-ring feature | Metric Miniature Series | Shielded | Quote → |
| 634ZZ1 | Different outer-ring feature | 6300 | Metal Shields | Quote → |
| E4 | Different outer-ring feature | Radials | Open | Quote → |
| EN4 | Different outer-ring feature | Radials | Open | Quote → |
| F634 | Configuration variant | Standard Flanged Bearings | Sealed | Quote → |
| F634 2rs | Configuration variant | F634 | Sealed | Quote → |
| F634zz | Configuration variant | F634 | Shielded | Quote → |
| F634ZZ1 | Different outer-ring feature | Standard Flanged Bearings | Open | Quote → |
| SF634 | Different outer-ring feature | F634 | Open | Quote → |
| SF634 2rs | Different outer-ring feature | F634 | Sealed | Quote → |
| SF634zz | Different outer-ring feature | F634 | Shielded | 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.
Request Quote →