Tapered Roller Bearings - TDI (Tapered Double Inner)

378DE/372 bearing | Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial

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Price：	enquiry
Model Number：	378DE/372
Series：	2.3123 in58.732 mm
r - Cup Backface "To Clear" Radius²：	375
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	375
Cone Part Number	378DE
Cup Part Number	372
Design Units	Imperial
Bearing Weight	4.100 lb1.9 Kg
Cage Type	Stamped Steel
Aa - Cage-Cone Backface Clearance	0 in0 mm
d - Bore	1.9375 in49.213 mm
D - Cup Outer Diameter	3.9370 in100.000 mm
B - Double Cone Width	2.0940 in53.188 mm
C - Cup Width	0.8592 in21.824 mm
T - Bearing Width across Cups	2.3123 in58.732 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	2.2 in55.90 mm
Db - Cup Backface Backing Diameter	3.39 in86.10 mm
Ab - Cage-Cone Frontface Clearance	0.09 in2.3 mm
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)³	5120 lbf22800 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)⁴	34400 lbf153000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)⁵	8920 lbf39700 N
C_a90 - Dynamic Thrust Rating (90 million revolutions)⁶	2970 lbf13200 N
K - Factor⁷	1.73
e - ISO Factor⁸	0.34
Y1 - ISO Factor⁹	1.99
Y2 - ISO Factor¹⁰	2.97
Cg - Geometry Factor¹¹	0.0816
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
CR 30VB	100.0	19.050	1.588	3.969	4.762	32.543
LM 304564N F U	One side Seal (U)	Stainless	LM 304564N F U	Plastic	30	-
RAK 2 3/8	12.150 lb5.511 Kg	2.374 in60.3 mm	239.7 mm9.437 in	137.3 mm5.406 in	8080 lbf35900 N	2 3/8 in60.3 mm
TCH10068H10D00	680	TCH10068H10D00	-	-	-	-
YTU SGT 1 5/8	6.95 lb3.15 Kg	141.4 mm5.567 in	120.6 mm4.748 in	4600 lbf20500 N	44.4 mm1.748 in	17.5 mm0.689 in
6848	240	2.0	6848	4.60	2200	1900
HJ2318	90	HJ2318	0.70	3.0	-	-
82526	209.5500	241.300	82526	V	HDS2	15.880
SAF 22536 6/1/2	LOR 149	Triple Ring Seal	SAF536 x 6-1/2	15.5000 in	SAF225366-1/2	20.8750 in
7020BDB FY	100	1.5	7020BDB FY	3800	2800	150

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