684-ZZC3
📏 4 × 9 × 4 mm
Product Photo
SKFDeep Groove Ball Bearings
SKF 638/4-2Z
Deep Groove Ball Bearings · 4 × 9 × 4 mm
4Bore d (mm)
9Outer D (mm)
4Width B (mm)
0.001Weight (Kg)
✓323,474 SKUs in the online catalogue
✓OEM & custom bearings welcome
✓Reply within 30 minutes (working days)
✓Global shipping from Wuxi, China
Wuxi Andge Bearing Co., Ltd.Professional bearing supplier · Wuxi, Jiangsu, China
⚡ Reply ≤ 30 min
The SKF 638/4-2Z is a Deep Groove Ball Bearings, with a bore diameter (d) of 4 mm, an outer diameter (D) of 9 mm and a width (B) of 4 mm, and a unit weight of 0.001 Kg. Supplied by Wuxi Andge Bearing Co., Ltd. (AndgeBearing), a bearing manufacturer and exporter based in Wuxi, Jiangsu, China — OEM and custom bearings welcome, RFQ replied within 30 minutes on working days.
Full Specifications
| Brand | SKF |
|---|---|
| Category | Deep Groove Ball Bearings |
| Type | Deep Groove Ball Bearings |
| Dimensions (d × D × B) | d 4 mm × D 9 mm × B 4 mm |
| Weight | 0.001 Kg |
| Catalogue Ref. | LzcQZN5S5r |
| B | 4 mm |
| C | 540 N |
| C0 | 180 N |
| Limiting rotational speed | 70000 r/min |
| Pu | 7 N |
| ReferenceSpeed | 140000 r/min |
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