Tapered Roller Bearings - TDI (Tapered Double Inner)

52400D/52639 bearing | Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial

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Price：	enquiry
Model Number：	52400D/52639
Series：	3.5311 in89.690 mm
r - Cup Backface "To Clear" Radius²：	52000
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	52000
Cone Part Number	52400D
Cup Part Number	52639
Design Units	Imperial
Bearing Weight	13.900 lb6.3 Kg
Cage Type	Stamped Steel
Aa - Cage-Cone Backface Clearance	0 in0 mm
d - Bore	4.0000 in101.600 mm
D - Cup Outer Diameter	6.3750 in161.925 mm
B - Double Cone Width	3.1250 in79.375 mm
C - Cup Width	1.5625 in39.688 mm
T - Bearing Width across Cups	3.5311 in89.690 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	4.43 in112.40 mm
Db - Cup Backface Backing Diameter	5.67 in144.00 mm
Ab - Cage-Cone Frontface Clearance	0.12 in3 mm
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)³	13000 lbf57900 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)⁴	87500 lbf389000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)⁵	22700 lbf101000 N
C_a90 - Dynamic Thrust Rating (90 million revolutions)⁶	10600 lbf47100 N
K - Factor⁷	1.23
e - ISO Factor⁸	0.47
Y1 - ISO Factor⁹	1.42
Y2 - ISO Factor¹⁰	2.12
G1 - Heat Generation Factor (Roller-Raceway)¹¹	175
G2 - Heat Generation Factor (Rib-Roller End)	41.7
Cg - Geometry Factor¹²	0.152
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
JAC6549V/JAC6510V	23.000 mm0.9055 in	LM506800	0.51 mm0.02 in	1.520 mm0.06 in	42	METRIC
UCSFC206-18H1S6	A-1/4-28UNF N12	Normal-duty (2)	UCSFC206-18H1S6	Standard	1 1/8	-
X32008XM/Y32008XM	19.000 mm0.7480 in	32008XM	1.02 mm0.04 in	1.020 mm0.04 in	23.8	METRIC
6313	65	2.1	6313	2.08	5800	4900
TRB-3244	0.022 / 0.048	2.00000000	50.80 / 2.000	50.72 / 1.997	50.80 / 2.000	1.52 / 0.060
6386/20	53.975	66.675	4.30	6386/20	4000	3000
TM15G-10A/Y061050	TM15	-	-	-	-	-
CR 18VBUUR	17.4	11.112	-	3.175	4.762	19.050
IR-445228	0.503 / 1.110	2 3/4	2.030 / 0.08	IR-445228	69.822 / 2.7489	69.860 / 2.7504
E/PF/TRB/2	3.18	2.64	0.7	0.87	10 lb	053893778778

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