Tapered Roller Bearings - TDI (Tapered Double Inner)

74512D/74856 bearing | Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial

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Price：	enquiry
Model Number：	74512D/74856
Series：	4.0000 in101.600 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	74856
Design Units	Imperial
Bearing Weight	32.20 lb14.6 Kg
Cage Type	Stamped Steel
Aa - Cage-Cone Backface Clearance	0 in0 mm
d - Bore	5.1250 in130.175 mm
D - Cup Outer Diameter	8.5625 in217.488 mm
B - Double Cone Width	4.0000 in101.600 mm
C - Cup Width	1.3750 in34.925 mm
T - Bearing Width across Cups	4.0000 in101.600 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	7.76 in197.10 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
ASPB205	ASPB205	M5x0.8	25	7.5	AS205	16
TAPH13K203S	4.15	2.79	25 lb11.3 Kg	0883450128773 0883450128780 0883450128803 0883450128810 0883450128827 0883450128834 0883450128841 08	0.0030 in0.076 mm	2-3/16 in
22332EJW33C2	2.04	3.11	2.09	22332CJW33C2	1500	1300
487TD/474	2.8756 in73.040 mm	475	0.030 in0.80 mm	Spacer shows standard nominal .01 radii, actual bearing may vary	Imperial	5.1181 in130.000 mm
NN3072KR	15	360	4	5.0	NN3072KR	380
1213	1213	1.150	120	3.70	5.7	3.80
CM-UCFL218D1	CM-UCFL218D1	M12x1.5	90	39.7	UC218D1	25
811/670 M	400	200	16300.000	2550.000	105.000	0.000
23292YMBW507C08	1.92	2.93	1.96	310	290	6.000 mm0.240 in
RE20030	RE20030	-	-	-	-	-

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