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TIMKEN 2578-2523 tapered roller bearings
Introduction
Inside Diameter: 28.575 mmOutside Diameter: 69.85 mmWidth: 23.813 mmBasic dynamic load rating: 83.7 kNBasic static load rating: 94.4 kN
TIMKEN 2578-2523 tapered roller bearings
model 2578-2523
Cone Part Number 2578
Cup Part Number 2523
Design Units Imperial
Cage Type Stamped Steel
Bearing Weight 0.500 Kg
1.10 lb
Dimensions
d - Bore 28.575 mm
1.1250 in
D - Cup Outer Diameter 69.850 mm
2.7500 in
B - Cone Width 25.357 mm
0.9983 in
C - Cup Width 19.050 mm
0.7500 in
T - Bearing Width 23.813 mm
0.9375 in
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius 2.290 mm
0.090 in
r - Cup Backface "To Clear" Radius 1.27 mm
0.050 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 65.00 mm
2.56 in
Db - Cup Backface Backing Diameter 60.96 mm
2.40 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) 9.63
Cg - Geometry Factor 0.0656

TIMKEN Bearings
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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 2578-2523 tapered roller bearings Model
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Tel : 

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Fax: 

00852 30697280

E-Mail:Sales@desunbearing.com


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