Tapered Roller Bearings - TDI (Tapered Double Inner)

688TD/673 bearing | Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial

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Price：	enquiry
Model Number：	688TD/673
Series：	3.7500 in95.250 mm
r - Cup Backface "To Clear" Radius²：	675
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	675
Cone Part Number	688TD
Cup Part Number	673
Design Units	Imperial
Bearing Weight	17.6 lb8 Kg
Cage Type	Stamped Steel
Aa - Cage-Cone Backface Clearance	0 in0 mm
d - Bore	3.9453 in100.211 mm
D - Cup Outer Diameter	6.6919 in169.974 mm
B - Double Cone Width	3.7500 in95.250 mm
C - Cup Width	1.1875 in30.163 mm
T - Bearing Width across Cups	3.7500 in95.250 mm
R - Cone Frontface "To Clear" Radius¹	0.030 in0.80 mm
r - Cup Backface "To Clear" Radius²	0.130 in3.3 mm
Db - Cup Backface Backing Diameter	5.91 in150.10 mm
Ab - Cage-Cone Frontface Clearance	0.12 in3 mm
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)³	14600 lbf64800 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)⁴	97800 lbf435000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)⁵	25400 lbf113000 N
C_a90 - Dynamic Thrust Rating (90 million revolutions)⁶	11700 lbf52200 N
K - Factor⁷	1.24
e - ISO Factor⁸	0.47
Y1 - ISO Factor⁹	1.43
Y2 - ISO Factor¹⁰	2.14
Cg - Geometry Factor¹¹	0.106
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
61806/2RS/C3	0.023 Kg	0.300 mm	7.000 mm	42.000 mm	Contact Seals	4.5 kN
CRBS 608VUU	60	0.4	64	60	CRBS 608VUU	94
7307DF FY	35	1.0	1.5	10000	8200	7307DFFY
SA 6 C	8.150	3.600	22.000	6.000	4.500	6.000
6324	120	3.0	6324	12.40	3100	2600
X31330M/Y31330M	82.000 mm3.2283 in	31330M	4.06 mm0.16 in	5.080 mm0.2 in	544.4	METRIC
LM 162837 F U AJ	One side Seal (U)	Stainless	LM 162837 F U AJ	Stainless	16	-
NU 1018 M/C3VL0241	5600	5600	13.700	110.000	85.800	NU 1018 M/C3VL0241
NUP2230E	150	3.0	3.0	18.500	2400	2000
23220EJW33C3	2.17	3.3	2.22	23220CJW33C3	2700	2300

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