Tapered Roller Bearings - TDI (Tapered Double Inner)

M270749DW/M270710 bearing | Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial

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Price：	enquiry
Model Number：	M270749DW/M270710
Series：	8.8125 in223.838 mm
r - Cup Backface "To Clear" Radius²：	M270700
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	M270700
Cone Part Number	M270749DW
Cup Part Number	M270710
Design Units	Imperial
Bearing Weight	507.50 lb230.20 Kg
Cage Type	Pin-Type
Aa - Cage-Cone Backface Clearance	0 in0 mm
d - Bore	17.6250 in447.675 mm
D - Cup Outer Diameter	25.0000 in635.000 mm
B - Double Cone Width	8.8125 in223.838 mm
C - Cup Width	3.7500 in95.250 mm
T - Bearing Width across Cups	8.8125 in223.838 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	18.82 in478 mm
Db - Cup Backface Backing Diameter	23.27 in591.10 mm
Ab - Cage-Cone Frontface Clearance	0.34 in8.6 mm
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)³	191000 lbf849000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)⁴	1280000 lbf5700000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)⁵	332000 lbf1480000 N
C_a90 - Dynamic Thrust Rating (90 million revolutions)⁶	109000 lbf484000 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	6870
Cg - Geometry Factor¹²	0.246
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
61805/C3	0.020 Kg	0.300 mm	7.000 mm	37.000 mm	Open	4.3 kN
CRBS 1408VUU	140	0.4	144	140	CRBS 1408VUU	205
W1202FS-2-C5T10	355	W1202FS-2-C5T10	250	-	-	-
7215BDB FY	75	1.0	1.5	4600	3500	7215BDBFY
RCJO1 1/2	6.91 lb3.133 Kg	136.5 mm5.374 in	5850 lbf26000 N	1 1/2 in38.1 mm	Medium-Duty	Shroud Seal
DC 20	DC 20	-	-	-	-	-
24180KYMBW906A	1.87	2.84	1.91	310	290	5.000 mm0.200 in
7207 BEGBP	12000	0.88	20.8	31	7207 BEGBP	35.000
TAPH22K400S	4.06	2.73	87 lb39.5 Kg	0883450130073 0883450130080 0883450130103 0883450130110 0883450130127 0883450130134 0883450130141 08	0.0040 in0.102 mm	4 in
46340A	140	200	1.5	4.0	46340A	340

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