Tapered Roller Bearings - TDI (Tapered Double Inner)

74512D/74850 bearing | Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial

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Price：	enquiry
Model Number：	74512D/74850
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	74850
Design Units	Imperial
Bearing Weight	31.70 lb14.4 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	1.3750 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	7.72 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
23048CAMKE4	23048CAMKE4	32.60	360	2.8	4.2	2.7
OH32/560H	219.00 Kg	12 mm	M8	MS31/560	HM31/560	462.00 mm
98350/788	52.761	88.900	3.60	98350/788	1900	1400
02476/20	22.225	31.750	0.80	02476/20	8000	6000
7320BDT FY	100	3.0	7320BDT FY	2900	2200	215
FIR-172012	17	FIR-172012	8.5	20	-	FJ-2012
SIL 10 E	19.00	8.15	30.000	10.000	7.500	9.000
SDA4516V-5G0+111LC0	111.000	SDA4516V-5	There is the groove on bo...	-	-	-
VCJT 17	1.301 lb0.590 Kg	98.4 mm3.874 in	53.9 mm2.122 in	1070 lbf4700 N	0.669 in17 mm	Standard
SR30SB1SSM+280LM (G20g20, B-M6F)	No connection	SR30SBM	20.00	-	-	-

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