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All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - TSF (Tapered Single with Flange) > Tapered Roller Bearings - TSF (Tapered Single with Flange) Imperial > Part Number 6386 - 6320-B  
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Part Number 6386 - 6320-B, Tapered Roller Bearings - TSF (Tapered Single with Flange) Imperial


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.



Unit of Measure: Imperial Metric Both

Specifications  · Dimensions  · Abutment and Fillet Dimensions  · Basic Load Ratings  · Factors

Specifications

Series
6300

Cone Part Number
6386

Cup Part Number
6320-B

Design Unit
Inch

Cage Material
Stamped Steel


Dimensions

d - Bore
2.6250 in
66.675 mm

D - Cup Outer Diameter
5.3447 in
135.755 mm

D1 - Flange Outer Diameter
5.6527 in
143.579 mm

B - Cone Width
2.2050 in
56.007 mm

C - Cup Width
1.7500 in
44.450 mm

C1 - Cup Flange Width
0.3125 in
7.938 mm

T1 - Bearing Width to Flange
0.6875 in
17.463 mm


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
0.170 in
4.300 mm

r - Cup Backface "To Clear" Radius2
0.130 in
3.30 mm

da - Cone Frontface Backing Diameter
3.04 in
77 mm

db - Cone Backface Backing Diameter
3.43 in
87 mm

Da - Cup Frontface Backing Diameter
5.00 in
127.00 mm

Ab - Cage-Cone Frontface Clearance
0.05 in
1.3 mm

Aa - Cage-Cone Backface Clearance
0.13 in
3.3 mm

a - Effective Center Location3
-0.76 in
-19.3 mm
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.


Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)1
18700 lbf
83300 N

C1 - Dynamic Radial Rating (1 million revolutions)2
72300 lbf
321000 N

C0 - Static Radial Rating
90900 lbf
404000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
10400 lbf
46300 N
1 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
2 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
3 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.


Factors

K - Factor1
1.8

e - ISO Factor2
0.32

Y - ISO Factor3
1.85

G1 - Heat Generation Factor (Roller-Raceway)
124

G2 - Heat Generation Factor (Rib-Roller End)
22.4

Cg - Geometry Factor4
0.0827
1 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
2 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
3 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
4 Geometry constant for Lubrication Life Adjustment Factor a3l.


 MORE IMAGES 

·  Timken_TRB_1ROWASSY_TSF_32312BM-90KM2-S

·  Timken_TRB_1ROWASSY_TSF_32312BM-90KM2-T



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