K72212CA6/K72487-2
📏 53.975 × 123.825 × 36.512 mm
Product Photo
TIMKENTapered Roller Bearings
TIMKEN 621/612-B
Tapered Roller Bearings · 53.975 × 120.65 × 16.6675 mm
53.975Bore d (mm)
120.65Outer D (mm)
16.6675Width 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 621/612-B is a Tapered Roller Bearings, with a bore diameter (d) of 53.975 mm, an outer diameter (D) of 120.65 mm and a width (B) of 16.6675 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 53.975 mm × D 120.65 mm × B 16.6675 mm |
| Catalogue Ref. | iO7BTB7q7m |
| Aa | 3.81 mm |
| Ab | 1.778 mm |
| Assembly Weight | 2254.35 g |
| B | 41.275 mm |
| Bearing Subtype | TSF |
| Bearing Type | TRB |
| C | 31.75 mm |
| C0 | 243763 N |
| C1 | 207287 N |
| C2 | 7.14248 mm |
| C90 | 53823.5 N |
| Ca90 | 28957.9 N |
| Cg | 0.0694 Geometric factor |
| Cone (Inner) | 621 Inner ring |
| Cup (Outer) | 612-B Outer ring |
| D1 | 127.691 mm |
| Da | 109.982 mm |
| Db | 104.902 mm |
| K = 0.39 / Tan (contact angle) | 1.86 Factor |
| R | 3.556 mm |
| T1 | 16.6675 mm |
| Y = 0.4 / Tan (contact angle) | 1.91 Factor |
| a | -13.97 mm |
| da | 62.992 mm |
| db | 70.104 mm |
| e = 1.5 * Tan (contact angle) | 0.31 Factor |
| r | 3.302 mm |
621/612ANDGE53.975 × 120.65 × 41.275 mm5578/5535ANDGE53.975 × 122.238 mm66584/66520ANDGE53.975 × 122.238 mm72212C/72212C-7ANDGE53.975 × 123.825 mm557S/552AANDGE53.975 × 123.825 mm
72212/2/72487/2/Q
📏 53.975 × 123.825 × 36.512 mm