Tapered Roller Bearings - TDI (Tapered Double Inner)

399D/393A bearing | Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial

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Price：	enquiry
Model Number：	399D/393A
Series：	2.2047 in55.999 mm
r - Cup Backface "To Clear" Radius²：	395
Design Units：	0.030 in0.80 mm
Db - Cup Backface Backing Diameter：	Spacer shows standard nominal .01 radii, actual bearing may vary
da - Cone Frontface Backing Diameter：	Imperial

Series	395
Cone Part Number	399D
Cup Part Number	393A
Design Units	Imperial
Bearing Weight	4.4 lb2 Kg
Cage Type	Stamped Steel
Aa - Cage-Cone Backface Clearance	0 in0 mm
d - Bore	2.4375 in61.913 mm
D - Cup Outer Diameter	4.4375 in112.713 mm
B - Double Cone Width	2.1870 in55.550 mm
C - Cup Width	0.6250 in15.875 mm
T - Bearing Width across Cups	2.2047 in55.999 mm
R - Cone Frontface "To Clear" Radius¹	0.030 in0.80 mm
r - Cup Backface "To Clear" Radius²	0.130 in3.3 mm
da - Cone Frontface Backing Diameter	2.76 in70.10 mm
Db - Cup Backface Backing Diameter	3.94 in100.10 mm
Ab - Cage-Cone Frontface Clearance	0.11 in2.8 mm
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)³	5760 lbf25600 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)⁴	38700 lbf172000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)⁵	10000 lbf44600 N
C_a90 - Dynamic Thrust Rating (90 million revolutions)⁶	3970 lbf17600 N
K - Factor⁷	1.45
e - ISO Factor⁸	0.4
Y1 - ISO Factor⁹	1.68
Y2 - ISO Factor¹⁰	2.5
Cg - Geometry Factor¹¹	0.0984
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
LM4520	0.60	LM4520	0.140	8000	45	55
22206EXQW33	30	1.0	0.30	11600	9400	62
C 4024 K30V	1100	-	-	120.000	91.500	880.000
7318CDB FY	90	1.1	3.0	6100	4600	7318CDBFY
3MM9319WI	1 mm0.039 in	1 mm0.039 in	17600 rpm	8800 rpm	10.318750 mm13/32 in	METRIC
29448EJ	73.3 Kg161.6 lb	770 rpm	59.00 mm2.323 in	104.70 mm4.120 in	122.00 mm4.803 in	9520 kN2140000 lbf
WS 81138	WS 81138	190.000	237.000	0.000	11.000	-
32310U	42.25	50	2.0	2.5	32310U	1.92
60072RS	35	1.0	60072RS	11000	62	0.64
UKFL216+H316X	A-PT1/8	70 / Normal-duty(2)	70	Normal-duty(2)	UKFL216+H316X	-

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