Tapered Roller Bearings - TDI (Tapered Double Inner)

52387D/52618 bearing | Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial

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Price：	enquiry
Model Number：	52387D/52618
Series：	3.1561 in80.165 mm
r - Cup Backface "To Clear" Radius²：	52000
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	52000
Cone Part Number	52387D
Cup Part Number	52618
Design Units	Imperial
Bearing Weight	11.8 lb5.4 Kg
Cage Type	Stamped Steel
Aa - Cage-Cone Backface Clearance	0 in0 mm
d - Bore	3.8750 in98.425 mm
D - Cup Outer Diameter	6.1875 in157.163 mm
B - Double Cone Width	3.1250 in79.375 mm
C - Cup Width	1.0313 in26.195 mm
T - Bearing Width across Cups	3.1561 in80.165 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	4.29 in109 mm
Db - Cup Backface Backing Diameter	5.59 in142.00 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
Cg - Geometry Factor¹¹	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
X30211M/Y30211M	22.750 mm0.8957 in	30211M	1.52 mm0.06 in	2.030 mm0.080 in	41.9	METRIC
74555D/74850	3.7260 in94.640 mm	74000	0.060 in1.50 mm	Spacer shows standard nominal .01 radii, actual bearing may vary	Imperial	8.5000 in215.900 mm
6706	30	0.2	6706	0.01	3800	3300
239/950KYMBW906AC3	4.33	6.6	4.43	260	230	6.000 mm0.240 in
NN3006K	30	NN3006K	0.19	1.0	1.0	55
637/2RZ	0.022 Kg	0.300 mm	9.000 mm	26.000 mm	33000 rpm	28000 rpm
NCF1852V	28.000 mm1.1024 in	10.6 lb	580 rpm	480 rpm	553 kN124000 lbf	320.000 mm12.5984 in
7334 FY	170	1.500	4.000	2500	2000	7334FY
NU1084	420	5.0	5.0	NU1084	91.000	1 100
SY 1.7/16 TF	5300	15.3	25.5	SY 507 M	SY 1.7/16 TF	YAR 207-107-2F

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