TIMKEN 28580-28521-B Bearing

TIMKEN 28580-28521-B tapered bearings with Flange

Also known as : 28580-28521-B

  • Inside Diameter: 50.8 mm
  • Outside Diameter: 92.075 mm
  • Width: 8.73 mm
  • Basic dynamic load rating: 98.9 kN
  • Basic static load rating: 130 kN

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TIMKEN 28580-28521-B Bearing

TIMKEN 28580-28521-B Bearing details

Series 28500
model 28580-28521-B
Cone Part Number 28580
Cup Part Number 28521-B
Design Units Imperial
Cage Type Stamped Steel
Bearing Weight 0.800 Kg
1.70 lb
Dimensions
d - Bore 50.8 mm
2 in
D - Cup Outer Diameter 92.075 mm
3.6250 in
D1 - Flange Outer Diameter 95.941 mm
3.7772 in
B - Cone Width 25.400 mm
1.0000 in
C - Cup Width 19.845 mm
0.7813 in
C1 - Cup Flange Width 3.967 mm
0.1562 in
T - Bearing Width to Flange 8.730 mm
0.3437 in
T1 - Bearing Width 24.608 mm
0.9688 in
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius 3.600 mm
0.14 in
r - Cup Backface "To Clear" Radius 0.80 mm
0.030 in
da - Cone Frontface Backing Diameter 56.90 mm
2.24 in
db - Cone Backface Backing Diameter 63 mm
2.48 in
Da - Cup Frontface Backing Diameter 89.90 mm
3.54 in
Ab - Cage-Cone Frontface Clearance 1.5 mm
0.06 in
Aa - Cage-Cone Backface Clearance 1 mm
0.04 in
a - Effective Center Location -4.8 mm
-0.19 in
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions) 25700 N
5770 lbf
C1 - Dynamic Radial Rating (1 million revolutions) 98900 N
22200 lbf
C0 - Static Radial Rating 130000 N
29200 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions) 16600 N
3720 lbf
Factors
K - Factor 1.55
e - ISO Factor 0.38
Y - ISO Factor 1.59
G1 - Heat Generation Factor (Roller-Raceway) 46.4
G2 - Heat Generation Factor (Rib-Roller End) 22.6
Cg - Geometry Factor 0.0912

As TIMKEN bearing distributor, Nodes bearings have TIMKEN 28580-28521-B bearings in stock, TSF (Tapered Single with Flange) Imperial , Tapered roller bearings.

Like the TS bearing design, the TSF design consists of two main separable parts: the cone (inner ring) assembly and the cup (outer ring). It is typically mounted in opposing pairs on a shaft. TSF bearings have flanged cups to facilitate axial location and accurately align seals in through-bored housings.

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