Timken 27684 Tapered Roller Bearing
Specifications:
Condition: New
Brand: Timken
Model: 27684
MPN: none
Series: | Revision: | Firmware:
Description: Tapered Roller Bearing
Origin: USA
UPC: 053893226897
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Additional MFG Notes on Timken 27684 Tapered Roller Bearing:
Specifications
Series: 27600
Cone Part Number: 27684
Cup Part Number: 27620
Design Unit: Inch
Cage Material: Stamped Steel
Dimensions
d – Bore: 3 in 76.2 mm
D – Cup Outer Diameter: 4.9375 in 125.413 mm
B – Cone Width: 1.0000 in 25.400 mm
C – Cup Width: 0.7813 in 19.845 mm
T – Bearing Width: 1.0000 in 25.400 mm
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1: 0.140 in 3.60 mm
r – Cup Backface “To Clear” Radius2: 0.06 in 1.52 mm
da – Cone Frontface Backing Diameter: 3.31 in 84 mm
db – Cone Backface Backing Diameter: 3.58 in 91 mm
Da – Cup Frontface Backing Diameter: 4.75 in 119.90 mm
Db – Cup Backface Backing Diameter: 4.53 in 115.06 mm
Ab – Cage-Cone Frontface Clearance: 0.09 in 2.3 mm
Aa – Cage-Cone Backface Clearance: 0.05 in 1.3 mm
a – Effective Center Location3: 0.02 in 0.5 mm
Basic Load Ratings
C90 – Dynamic Radial Rating (90 million revolutions)4: 6830 lbf 30400 N
C1 – Dynamic Radial Rating (1 million revolutions)5: 26300 lbf 117000 N
C0 – Static Radial Rating: 39900 lbf 178000 N
Ca90 – Dynamic Thrust Rating (90 million revolutions)6: 4860 lbf 21600 N
Factors
K – Factor7: 1.4
e – ISO Factor8: 0.42
Y – ISO Factor9: 1.44
G1 – Heat Generation Factor (Roller-Raceway): 98.2
G2 – Heat Generation Factor (Rib-Roller End): 41.8
Cg – Geometry Factor10: 0.120
1 These maximum fillet radii will be cleared by the bearing corners.
2 These maximum fillet radii will be cleared by the bearing corners.
3 Negative value indicates effective center inside cone backface.
4 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
5 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
6 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value.
7 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
8 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
9 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
10 Geometry constant for Lubrication Life Adjustment Factor a3l.
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