Tapered Roller Bearings - TDI (Tapered Double Inner)

M272749DW/M272710 bearing | Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial

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Model Number：	M272749DW/M272710
Series：	9.3749 in238.122 mm
r - Cup Backface "To Clear" Radius²：	M272700
Design Units：	0.130 in3.30 mm
Db - Cup Backface Backing Diameter：	Spacer shows standard nominal .01 radii, actual bearing may vary
da - Cone Frontface Backing Diameter：	Imperial

Series	M272700
Cone Part Number	M272749DW
Cup Part Number	M272710
Design Units	Imperial
Bearing Weight	618.60 lb280.600 Kg
Cage Type	Pin-Type
Aa - Cage-Cone Backface Clearance	0 in0 mm
d - Bore	18.8750 in479.425 mm
D - Cup Outer Diameter	26.7500 in679.450 mm
B - Double Cone Width	9.3750 in238.125 mm
C - Cup Width	4.0000 in101.600 mm
T - Bearing Width across Cups	9.3749 in238.122 mm
R - Cone Frontface "To Clear" Radius¹	0.130 in3.30 mm
r - Cup Backface "To Clear" Radius²	0.250 in6.40 mm
da - Cone Frontface Backing Diameter	20.08 in510 mm
Db - Cup Backface Backing Diameter	24.92 in633.00 mm
Ab - Cage-Cone Frontface Clearance	0.41 in10.4 mm
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)³	218000 lbf968000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)⁴	1460000 lbf6500000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)⁵	379000 lbf1680000 N
C_a90 - Dynamic Thrust Rating (90 million revolutions)⁶	124000 lbf551000 N
K - Factor⁷	1.76
e - ISO Factor⁸	0.33
Y1 - ISO Factor⁹	2.03
Y2 - ISO Factor¹⁰	3.02
G1 - Heat Generation Factor (Roller-Raceway)¹¹	8110
G2 - Heat Generation Factor (Rib-Roller End)	508
Cg - Geometry Factor¹²	0.26
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
SYR-2.7/16	31.75000	3100	0.79375	4.003	51.5994	36.920
FCJB-80	17.0	17.0	30500	-	30	61000
GEM 30 ES-2LS	310.000	62.000	4.000	30.000	47.0000	500
7216BDB	Standard	80	2.0	2.0	7216BDB	4000
23184KYMBW906AC3	2.16	3.2	2.21	480	440	5.000 mm0.200 in
C 5918 MB	4000	2600	-	90.000	37.500	325.000
TRD-6681	0.109 / 0.240	4 1/8	104.78 / 4.125	104.70 / 4.122	104.78 / 4.125	3.12 / 0.123
7318 BEP	4000	4.8	134	156	7318 BEP	90.000
23176KYMBW507C08C2	2.23	3.39	2.28	560	510	4.000 mm0.160 in
FSNL 518-615 + 21315 K + H 315	FSNL 518-615	100	194	FSNL 518-615 + 21315 K + H 315	140	21315 K

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