Timken LM742749DW – LM742714
Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Detailed data of
LM742749DW – LM742714
Specifications
Series
LM742700
Cone Part Number
LM742749DW
Cup Part Number
LM742714
Design Unit
Inch
Cage Material
Stamped Steel
Related Assembly Number(s)
LM742749DW-90064
Dimensions
d - Bore
215.900 mm
D - Cup Outer Diameter
288.925 mm
B - Double Cone Width
85.725 mm
C - Cup Width
34.925 mm
T - Bearing Width across Cups
85.722 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
2.300 mm
r - Cup Backface "To Clear" Radius2
3.30 mm
da - Cone Frontface Backing Diameter
229.36 mm
Db - Cup Backface Backing Diameter
266.95 mm
Ab - Cage-Cone Frontface Clearance
3 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3
111000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4
748000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5
194000 N
C6
91800 N
Factors
K - Factor7
1.21
e - ISO Factor8
0.48
Y1 - ISO Factor9
1.4
Y2 - ISO Factor10
2.09
G1 - Heat Generation Factor (Roller-Raceway)
867
Cg - Geometry Factor11
0.139
