Double row tapered roller bearings 48290DW - 48220
Specifications
Series :48200
Cone Part Number : 48290DW
Cup Part Number :48220
Design Unit : Inch
Cage Material : Stamped Steel
Related Assembly Number(s) :
48290DW-90162
48290DW-90163
48290DW-90167
48290DW-90173
48290DW-90174
48290DW-902A6
48290DW-902C3
48290DW-902C6
48290DW-902C7
48290DW-902C8
Dimensions
d - Bore : 5 in / 127mm
D - Cup Outer Diameter : 7.1875 in / 182.563 mm
B - Double Cone Width : 3 in / 76.2 mm
C - Cup Width : 1.3125 in / 33.338mm
T - Bearing Width across Cups : 3.0001 in / 76.203mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1 : 0.6 in / 1.5 mm
r - Cup Backface "To Clear" Radius2 : 0.130 in / 3.30mm
da - Cone Frontface Backing Diameter : 5.39 in / 137 mm
Db - Cup Backface Backing Diameter : 6.61 in / 167.89mm
Ab - Cage-Cone Frontface Clearance : 0.09 in / 2.3mm
Basic Load Ratings
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 :15600 lbf / 69400N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4:105000 lbf /466000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 :27200lbf/ 121000N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 : 8160 lbf /36300 N
Factors
K - Factor7 : 1.91
e - ISO Factor8 : 0.31
Y1 - ISO Factor9 : 2.21
Y2 - ISO Factor10 : 3.29
G1 - Heat Generation Factor (Roller-Raceway) ：353
G2 - Heat Generation Factor (Rib-Roller End)： 23.7
Cg - Geometry Factor11 : 0.114
