IntroductionTIMKEN 2578-2520 tapered roller bearings| model | 2578-2520 |
|---|---|
| Cone Part Number | 2578 |
| Cup Part Number | 2520 |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| Bearing Weight |
0.400 Kg 1.00 lb |
| Dimensions | |
| d - Bore |
28.575 mm 1.1250 in |
| D - Cup Outer Diameter |
66.421 mm 2.6150 in |
| B - Cone Width |
25.357 mm 0.9983 in |
| C - Cup Width |
20.638 mm 0.8125 in |
| T - Bearing Width |
25.400 mm 1.0000 in |
| Abutment and Fillet Dimensions | |
| R - Cone Backface "To Clear" Radius |
2.290 mm 0.090 in |
| r - Cup Backface "To Clear" Radius |
3.30 mm 0.130 in |
| da - Cone Frontface Backing Diameter |
35.05 mm 1.38 in |
| db - Cone Backface Backing Diameter |
39.12 mm 1.54 in |
| Da - Cup Frontface Backing Diameter |
62.99 mm 2.48 in |
| Db - Cup Backface Backing Diameter |
56.90 mm 2.24 in |
| Ab - Cage-Cone Frontface Clearance |
1.5 mm 0.06 in |
| Aa - Cage-Cone Backface Clearance |
0.5 mm 0.02 in |
| a - Effective Center Location |
-8.60 mm -0.34 in |
| Basic Load Ratings | |
| C90 - Dynamic Radial Rating (90 million revolutions) |
21700 N 4880 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions) |
83700 N 18800 lbf |
| C0 - Static Radial Rating |
94400 N 21200 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions) |
10200 N 2280 lbf |
| Factors | |
| K - Factor | 2.14 |
| e - ISO Factor | 0.27 |
| Y - ISO Factor | 2.19 |
| G1 - Heat Generation Factor (Roller-Raceway) | 23.6 |
| G2 - Heat Generation Factor (Rib-Roller End) | 9.6 |
| Cg - Geometry Factor | 0.0656 |
TIMKEN Bearings
In 1890s, Henry Timken, a carriage maker in St. Louis, Missouri, invented TIMKEN bearings ,helped wagons make easier turns and also improved their maneuverability in other ways. In 1901, the Timkens relocated the company to Canton, Ohio, where the firm became known as the Timken Roller Bearing Company. Timken is one of the world's leading producers of highly engineered anti-friction bearings and alloy steel components . The Timken Company manufactures and manages global supply chains for two core product lines: anti-friction bearings and adjacent mechanical power transmission components, as well as specialty steel and related precision steel components. Its products and services include bearings and power transmission, tapered roller bearings, precision cylindrical and ball bearings, spherical and cylindrical roller bearings, chains and augers, gear-drive systems, aerospace products and services, steel and precision steel components. The wide-ranging nature of Timken products means that there is a bearing for virtually any application. DESUN BEARING LIMITED can provide professional technical installation support when you bought our TIMKEN bearings . if you find bearings from our website that you need , pls do not hesitate to contact us ,quick reply within 2 hours , welcome you send email for inquiry anytime : Sales@desunbearing.com
TIMKEN 2578-2520 tapered roller bearings Model
DESUN BEARING LIMITED
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Tel :
00852 30697280
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00852 30697280
E-Mail：Sales@desunbearing.com
