A4050/A4138-B
📏 12.7 × 35.052 × 10.988 mm
Product Photo
TIMKENTapered Roller Bearings
TIMKEN A4050/A4138D
Tapered Roller Bearings · 12.7 × 34.9885 × 10.988 mm
12.7Bore d (mm)
34.9885Outer D (mm)
10.988Width B (mm)
✓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 TIMKEN A4050/A4138D is a Tapered Roller Bearings, with a bore diameter (d) of 12.7 mm, an outer diameter (D) of 34.9885 mm and a width (B) of 10.988 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 | Tapered Roller Bearings |
| Type | Tapered Roller Bearings |
| Dimensions (d × D × B) | d 12.7 mm × D 34.9885 mm × B 10.988 mm |
| Catalogue Ref. | oKsyU07i7b |
| Aa | 0 mm |
| Assembly Weight | 122.47 g |
| B | Series 10.988 mm |
| Bearing Subtype | TDO |
| Bearing Type | TRB |
| C | 20.6375 mm |
| C0 | 11476.4 N |
| C1 | 22908.3 N |
| C90(1) | 3411.79 N |
| C90(2) | 5916.13 N |
| Ca90 | 2642.24 N |
| Cg | 0.0355 Geometric factor |
| Cone (Inner) | A4050 Inner ring |
| Cup (Outer) | A4138D Outer ring |
| K = 0.39 / Tan (contact angle) | 1.29 Factor |
| R | 1.27 mm |
| T | 25.1739 mm |
| Y1 = 0.45 / Tan (contact angle) | 1.49 Factor |
| a | -2.54 mm |
| db | 18.542 mm |
| e = 1.5 * Tan (contact angle) | 0.45 Factor |
| r | 0.508 mm |
A4059/A4138D
📏 14.9885 × 34.9885 × 10.988 mm
A4059/A4138-B
📏 14.9885 × 35.052 × 10.988 mm
A4059/A4138B
📏 14.989 × 34.988 × 4.63 mm
4T-A4059t/A4138
📏 14.989 × 34.988 × 10.988 mm
A 4059/A 4138
📏 14.989 × 34.988 × 10.998 mm
A4059/A4138
📏 14.989 × 34.988 × 10.998 mm
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📏 15 × 34.988 × 10.998 mm
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