33281/462
📏 71.438 × 117.475 × 30.162 mm
Product Photo
TIMKENCustom & Special Bearings
TIMKEN 644/632-B
Custom & Special Bearings · 71.4375 × 136.652 × 16.6624 mm
71.4375Bore d (mm)
136.652Outer D (mm)
16.6624Width B (mm)
✓323,474 SKUs in the online catalogue
✓OEM & custom bearings welcome
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✓Global shipping from Wuxi, China
Wuxi Andge Bearing Co., Ltd.Professional bearing supplier · Wuxi, Jiangsu, China
⚡ Reply ≤ 30 min
The TIMKEN 644/632-B is a Custom & Special Bearings, with a bore diameter (d) of 71.4375 mm, an outer diameter (D) of 136.652 mm and a width (B) of 16.6624 mm. 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 | TIMKEN |
|---|---|
| Category | Custom & Special Bearings |
| Type | Custom & Special Bearings |
| Dimensions (d × D × B) | d 71.4375 mm × D 136.652 mm × B 16.6624 mm |
| Catalogue Ref. | zeA5nlc4d5 |
| Aa | 4.064 mm |
| Ab | 2.032 mm |
| Assembly Weight | 2644.44 g |
| B | 41.275 mm |
| Bearing Subtype | TSF |
| Bearing Type | TRB |
| C | 31.75 mm |
| C0 | 298031 N |
| C1 | 276235 N |
| C2 | 7.1374 mm |
| C90 | 71616.4 N |
| Ca90 | 44393.3 N |
| Cg | 0.0814 Geometric factor |
| Cone (Inner) | 644 Inner ring |
| Cup (Outer) | 632-B Outer ring |
| D1 | 143.561 mm |
| Da | 124.968 mm |
| Db | 118.11 mm |
| K = 0.39 / Tan (contact angle) | 1.61 Factor |
| R | 3.556 mm |
| T1 | 16.6624 mm |
| Y = 0.4 / Tan (contact angle) | 1.66 Factor |
| a | -11.176 mm |
| da | 81.026 mm |
| db | 87.122 mm |
| e = 1.5 * Tan (contact angle) | 0.36 Factor |
| r | 3.302 mm |
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