Tapered Roller Bearings - TDI (Tapered Double Inner)

779D/772 bearing | Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial

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Price：	enquiry
Model Number：	779D/772
Series：	4.0000 in101.600 mm
r - Cup Backface "To Clear" Radius²：	775
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	775
Cone Part Number	779D
Cup Part Number	772
Design Units	Imperial
Bearing Weight	23.7 lb10.7 Kg
Cage Type	Stamped Steel
Aa - Cage-Cone Backface Clearance	0 in0 mm
d - Bore	3.8750 in98.425 mm
D - Cup Outer Diameter	7.1250 in180.975 mm
B - Double Cone Width	4.0300 in102.362 mm
C - Cup Width	1.5000 in38.100 mm
T - Bearing Width across Cups	4.0000 in101.600 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	4.41 in112 mm
Db - Cup Backface Backing Diameter	6.34 in161.00 mm
Ab - Cage-Cone Frontface Clearance	0.07 in1.8 mm
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)³	20200 lbf89700 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)⁴	135000 lbf603000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)⁵	35100 lbf156000 N
C_a90 - Dynamic Thrust Rating (90 million revolutions)⁶	13300 lbf59200 N
K - Factor⁷	1.51
e - ISO Factor⁸	0.39
Y1 - ISO Factor⁹	1.75
Y2 - ISO Factor¹⁰	2.61
G1 - Heat Generation Factor (Roller-Raceway)¹¹	227
G2 - Heat Generation Factor (Rib-Roller End)	41.3
Cg - Geometry Factor¹²	0.107
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
7217DB FY	85	2.0	7217DB FY	5000	4000	150
WS 89313	WS 89313	65.000	115.000	0.000	10.500	-
NJ417M	Standard	85	3.0	3.0	4.0	4.0
HJ2328E	140	HJ2328E	2.30	4.0	-	-
QVMC13V203S	4.15	2.79	12 lb5.4 Kg	0883450150613 0883450150767 0883450158442 0883450158633 0883450179829 0883450179973 0883450189941 08	0.0015 in0.038 mm	2-3/16 in
TA 4015Z	40	TA 4015Z	54.00	40	50	19500
QMPG30J508S	3.10	2.08	250 lb113.4 Kg	0883450033244 0883450033251 0883450140072 0883450140089 0883450140096 0883450140102 0883450140133 08	0.0050 in0.127 mm	5-1/2 in
FBSA 204/DF	7600	1.800	49.000	22.000	90.000	20.000
23264YMBW33W45A	1.93	2.94	1.98	530	490	4.000 mm0.160 in
74512D/74856	4.0000 in101.600 mm	74000	0.060 in1.50 mm	Spacer shows standard nominal .01 radii, actual bearing may vary	Imperial	8.5625 in217.488 mm

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