Tapered Roller Bearings - TDI (Tapered Double Inner)

74512D/74853 bearing | Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial

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Price：	enquiry
Model Number：	74512D/74853
Series：	4.5000 in114.300 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	74512D
Cup Part Number	74853
Design Units	Imperial
Bearing Weight	34.7 lb15.7 Kg
Cage Type	Stamped Steel
Aa - Cage-Cone Backface Clearance	0 in0 mm
d - Bore	5.1250 in130.175 mm
D - Cup Outer Diameter	8.5000 in215.900 mm
B - Double Cone Width	4.0000 in101.600 mm
C - Cup Width	1.8750 in47.625 mm
T - Bearing Width across Cups	4.5000 in114.300 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
25577/25523	26.988	8000	6700	12.000	106.000	99.100
LS350108ALN1PCZ1AL+(14)	14.0	-	-	-	-	-
22216EAKE4	22216EAKE4	2.01	140	3.1	4.6	3.0
22332KEJW33	2.04	3.11	2.09	22332KCJW33	1500	1300
NUTR 35 A	6.950	57.000	45.700	72.000	NUTR 35 A	35.000
69002RS	10	0.3	69002RS	34000	22	0.07
RNA4924	1.1	RNA4924	3100	135	165	58.50
B-218	0.034 / 0.076	1.3125 / 1.6250 / 0.500	1 5/16	33.338 / 1.3125	41.275 / 1.6250	5.00
NART 10 VR	NART 10 VR	-	-	-	-	-
QVCW12V203S	4.23	2.84	13 lb5.9 Kg	0883450091091 0883450091220 0883450102568 0883450103169 0883450109444 0883450109642 0883450118569 08	0.0015 in0.038 mm	2-3/16 in

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