Tapered Roller Bearings - TDI (Tapered Double Inner)

74510D/74850W bearing | Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial

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Price：	enquiry
Model Number：	74510D/74850W
Series：	4.8750 in123.825 mm
r - Cup Backface "To Clear" Radius²：	74000
Design Units：	0.060 in1.50 mm
Db - Cup Backface Backing Diameter：	Spacer shows standard nominal .01 radii, actual bearing may vary
da - Cone Frontface Backing Diameter：	Imperial

Series	74000
Cone Part Number	74510D
Cup Part Number	74850W
Design Units	Imperial
Bearing Weight	35.8 lb16.20 Kg
Cage Type	Stamped Steel
Aa - Cage-Cone Backface Clearance	0 in0 mm
d - Bore	5.1183 in130.005 mm
D - Cup Outer Diameter	8.5000 in215.900 mm
B - Double Cone Width	4.8750 in123.825 mm
C - Cup Width	1.3750 in34.925 mm
T - Bearing Width across Cups	4.8750 in123.825 mm
R - Cone Frontface "To Clear" Radius¹	0.060 in1.50 mm
r - Cup Backface "To Clear" Radius²	0.130 in3.3 mm
da - Cone Frontface Backing Diameter	5.75 in146.10 mm
Db - Cup Backface Backing Diameter	7.72 in196.10 mm
Ab - Cage-Cone Frontface Clearance	0.11 in2.8 mm
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)³	22300 lbf99000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)⁴	150000 lbf665000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)⁵	38800 lbf172000 N
C_a90 - Dynamic Thrust Rating (90 million revolutions)⁶	18600 lbf82600 N
K - Factor⁷	1.2
e - ISO Factor⁸	0.49
Y1 - ISO Factor⁹	1.38
Y2 - ISO Factor¹⁰	2.06
G1 - Heat Generation Factor (Roller-Raceway)¹¹	363
G2 - Heat Generation Factor (Rib-Roller End)	68.5
Cg - Geometry Factor¹²	0.134
Note	Spacer shows standard nominal .01 radii, actual bearing may vary

No.	Series	r - Cup Backface "To Clear" Radius²	Design Units	Db - Cup Backface Backing Diameter	da - Cone Frontface Backing Diameter	D - Cup Outer Diameter
RNA4911	1.0	RNA4911	6900	63	80	17.10
UKP217+H317X	A-PT1/8	75 / Normal-Duty (2)	75	Normal-Duty (2)	UKP217+H317X	-
46T30234JR/97	125	170	4.0	46T30234JR/97	310	103
686AZZ	Standard	6.0	686AZZ	2.69	40000	13
YSPAG 207-106-46.1	72	19	-	0.000	15.300	25.500
7213BDF	65	1.00	1.5	7213B	0.980	7 000
22208KEMW33C3	2.41	3.67	2.47	7600	6100	1 mm0.040 in
NU3328	140	4.0	4.0	2500	1700	NU3328
RNA49/32	0.6	RNA49/32	11000	40	52	7.85
6032	160	2.1	6032	5.05	3000	2600

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