TIMKEN 1178X-1130NI Bearing

TIMKEN 1178X-1130NI tapered roller bearings

Also known as : 1178X-1130NI

• Inside Diameter: 15.875 mm
• Outside Diameter: 44.45 mm
• Width: 20.638 mm
• Basic dynamic load rating: 37 kN
• Basic static load rating: 36.3 kN

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TIMKEN 1178X-1130NI Bearing

Series	1100
model	1178X-1130NI
Cone Part Number	1178X
Cup Part Number	1130NI
Design Units	Imperial
Cage Type	Stamped Steel
Bearing Weight	0.200 Kg 0.4 lb
Dimensions
d - Bore	15.875 mm 0.6250 in
D - Cup Outer Diameter	44.450 mm 1.7500 in
B - Cone Width	22.555 mm 0.8880 in
C - Cup Width	14.288 mm 0.5625 in
T - Bearing Width	20.638 mm 0.8125 in
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius	1.520 mm 0.06 in
r - Cup Backface "To Clear" Radius	0.51 mm 0.020 in
da - Cone Frontface Backing Diameter	21.08 mm 0.83 in
db - Cone Backface Backing Diameter	23.11 mm 0.91 in
Da - Cup Frontface Backing Diameter	41.40 mm 1.63 in
Db - Cup Backface Backing Diameter	39.88 mm 1.57 in
Ab - Cage-Cone Frontface Clearance	0 mm 0 in
Aa - Cage-Cone Backface Clearance	0 mm 0 in
a - Effective Center Location	-10.9 mm -0.43 in
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)	9590 N 2160 lbf
C1 - Dynamic Radial Rating (1 million revolutions)	37000 N 8320 lbf
C0 - Static Radial Rating	36300 N 8170 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)	4050 N 910 lbf
Factors
K - Factor	2.37
e - ISO Factor	0.25
Y - ISO Factor	2.43
G1 - Heat Generation Factor (Roller-Raceway)	6.7
G2 - Heat Generation Factor (Rib-Roller End)	4.8
Cg - Geometry Factor	0.0413

TIMKEN 1178X-1130NI bearings, TS (Tapered Single) Imperial, Tapered roller bearings.