Timken LL771948 – LL771911
Tapered Roller Bearings-TS(Tapered Single)Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Series
LL771900
Cone Part Number
LL771948
Cup Part Number
LL771911
Design Unit
Inch
Cage Material
Stamped Steel
Related Assembly Number(s)
LL771948-90010
Dimensions
d - Bore
476.250 mm
D - Cup Outer Diameter
565.150 mm
B - Cone Width
41.275 mm
C - Cup Width
31.750 mm
T - Bearing Width
41.275 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
3.300 mm
r - Cup Backface "To Clear" Radius2
3.30 mm
da - Cone Frontface Backing Diameter
491 mm
db - Cone Backface Backing Diameter
495 mm
Da - Cup Frontface Backing Diameter
548.90 mm
Db - Cup Backface Backing Diameter
543.05 mm
Ab - Cage-Cone Frontface Clearance
3 mm
Aa - Cage-Cone Backface Clearance
2.5 mm
a - Effective Center Location3
58.4 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)4
122000 N
C1 - Dynamic Radial Rating (1 million revolutions)5
469000 N
C0 - Static Radial Rating
1400000 N
C6
97800 N
Factors
K - Factor7
1.24
e - ISO Factor8
0.47
Y - ISO Factor9
1.28
G1 - Heat Generation Factor (Roller-Raceway)
3790
G2 - Heat Generation Factor (Rib-Roller End)
1240
Cg - Geometry Factor10
0.219
