Tapered Roller Bearings - TDI (Tapered Double Inner)

389DE/383A bearing | Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial

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Price：	enquiry
Model Number：	389DE/383A
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	389DE
Cup Part Number	383A
Design Units	Imperial
Bearing Weight	3.400 lb1.5 Kg
Cage Type	Stamped Steel
Aa - Cage-Cone Backface Clearance	0 in0 mm
d - Bore	2.1875 in55.563 mm
D - Cup Outer Diameter	3.9370 in100.000 mm
B - Double Cone Width	2.0940 in53.188 mm
C - Cup Width	0.7018 in17.826 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
da - Cone Frontface Backing Diameter	2.44 in62 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	5300 lbf23600 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)⁴	35600 lbf158000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)⁵	9230 lbf41100 N
C_a90 - Dynamic Thrust Rating (90 million revolutions)⁶	3210 lbf14300 N
K - Factor⁷	1.65
e - ISO Factor⁸	0.35
Y1 - ISO Factor⁹	1.91
Y2 - ISO Factor¹⁰	2.84
G1 - Heat Generation Factor (Roller-Raceway)¹¹	42
G2 - Heat Generation Factor (Rib-Roller End)	15.7
Cg - Geometry Factor¹²	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
UCPA207-23J	A-1/4-28UNF	UCPA207-23J	1 7/16	Normal-duty (2)	-	-
HA550300EMN1K##---+(30)	HA55EM	30.0	-	-	-	-
HMV/86	Tr430x5	17 mm	40800 mm²	432 mm	508 mm	62 mm
LE090040ARK1PCT---+(5)	LE09AR	5.0	AR	P	LE	-
K80x88x30	K80x88x30	0.157	5000	3300	80	88
23134RH	2.1	1500	1100	23134RH	280	124
NU3319	95	3.0	3.0	4000	2600	NU3319
21307AXW33	35	1.5	0.56	11200	9000	80
CM-UCFS319D1	CM-UCFS319D1	M16x1.5	95	41	UC319D1	35
KT 455027	45	KT 455027	46.0	45	50	34800

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