Tapered Roller Bearings - TDI (Tapered Double Inner)

388TD/383 bearing | Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial

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Price：	enquiry
Model Number：	388TD/383
Series：	2.0195 in51.295 mm
r - Cup Backface "To Clear" Radius²：	385
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	385
Cone Part Number	388TD
Cup Part Number	383
Design Units	Imperial
Bearing Weight	3.5 lb1.6 Kg
Cage Type	Stamped Steel
Aa - Cage-Cone Backface Clearance	0 in0 mm
d - Bore	2.2651 in57.534 mm
D - Cup Outer Diameter	3.9370 in100.000 mm
B - Double Cone Width	2.0940 in53.188 mm
C - Cup Width	0.8268 in21.001 mm
T - Bearing Width across Cups	2.0195 in51.295 mm
R - Cone Frontface "To Clear" Radius¹	0.030 in0.80 mm
r - Cup Backface "To Clear" Radius²	0.08 in2 mm
Db - Cup Backface Backing Diameter	3.50 in88.90 mm
Ab - Cage-Cone Frontface Clearance	0.11 in2.8 mm
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)³	5010 lbf22300 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)⁴	33600 lbf150000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)⁵	8720 lbf38800 N
C_a90 - Dynamic Thrust Rating (90 million revolutions)⁶	3040 lbf13500 N
K - Factor⁷	1.65
e - ISO Factor⁸	0.35
Y1 - ISO Factor⁹	1.91
Y2 - ISO Factor¹⁰	2.84
Cg - Geometry Factor¹¹	0.0859
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
430330U	150	1.5	5.0	430330U	55.400	1300
E/4BF/TRB/4/ECC	2.14	1.77	0.7	0.87	75 lb	0883450503754
7336DB	180	1.50	4.0	82.600	1600	1200
SR 52x5	-	-	-	-	-	-
7340BDF	200	2.00	5.0	7340B	53.100	1 900
LAS 1	3.549 lb1.61 Kg	1.469 in37.3 mm	139.70 mm5.500 in	73 mm2.874 in	1750 lbf7800 N	1 in25.4 mm
HM259049D/HM259010	6.2499 in158.747 mm	HM259000	0.130 in3.30 mm	Spacer shows standard nominal .01 radii, actual bearing may vary	Imperial	17.6250 in447.675 mm
7210BDT	50	0.60	1.1	0.970	6000	4500
QMCW30J507S	3.10	2.08	226 lb102.5 Kg	0883450064828 0883450064835 0883450064859 0883450064866 0883450064873 0883450064880 0883450064897 08	0.0050 in0.127 mm	5-7/16 in
QMMC15J211S	4.67	3.14	18.000 lb8.2 Kg	0.0020 in0.051 mm	2-11/16 in	Imperial

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