GN107KLLB
📏 Dimensions on request
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TIMKENCustom & Special Bearings
TIMKEN 28990 - 28921A
Custom & Special Bearings · Dimensions on request
✓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 28990 - 28921A is a Custom & Special Bearings, available in the dimensions listed in the specification table below. 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) | Dimensions on request |
| Catalogue Ref. | x8U1KM4p3C |
| Aa - Cage-Cone Backface Clearance | 0.5 mm0.02 in |
| Ab - Cage-Cone Frontface Clearance | 2.3 mm0.09 in |
| B - Cone Width | 24.608 mm0.9688 in |
| Bearing Weight | 0.70 Kg1.6 lb |
| C - Cup Width | 19.845 mm0.7813 in |
| C0 - Static Radial Rating | 33500 lbf149000 N |
| Cage Type | Stamped Steel |
| Cone Part Number | 28990 |
| Cup Part Number | 28921A |
| D - Cup Outer Diameter | 100.000 mm3.9370 in |
| Da - Cup Frontface Backing Diameter | 97.00 mm3.82 in |
| Db - Cup Backface Backing Diameter | 90.93 mm3.58 in |
| Design Units | Imperial |
| G1 - Heat Generation Factor (Roller-Raceway) | 60.1 |
| G2 - Heat Generation Factor (Rib-Roller End) | 24.5 |
| Series | 28900 |
| T - Bearing Width | 24.610 mm0.9689 in |
| d - Bore | 61.976 mm2.4400 in |
| da - Cone Frontface Backing Diameter | 68.07 mm2.68 in |
| db - Cone Backface Backing Diameter | 71.88 mm2.83 in |
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