Tapered Roller Bearings - TDI (Tapered Double Inner)

688TD/672 bearing | Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial

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Price：	enquiry
Model Number：	688TD/672
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	672
Design Units	Imperial
Bearing Weight	17.2 lb7.8 Kg
Cage Type	Stamped Steel
Aa - Cage-Cone Backface Clearance	0 in0 mm
d - Bore	3.9453 in100.211 mm
D - Cup Outer Diameter	6.6250 in168.275 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	5.87 in149.10 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
B-268	B-268	5.85	41.275	12.700	-	50.800
7224DT	120	1.10	2.1	12.100	2700	2100
SY 25 WF	7000	7.8	14	SY 505 M	SY 25 WF	YEL 205-2F
33269/462	30.162	68.262	3.2	3.6	4200	3200
GE 35 ESX-2LS	400.000	120.000	6.000	35.000	55.0000	500
KR5520A-0800-H-10A0/M20SRS02D1S31	KR55	S : Direct Mount	-	-	-	-
NU1030	150	1.5	2.1	3300	2800	NU1030
NU313R	65	2.1	2.1	5700	4300	NU313R
53260U	304	300	3.0	600	400	53260U
AOH 31/800	HM 31/850	HMV 170 E	AOH 31/800	750.000	800.000	456.000

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Tapered roller bearings 688TD/672+A. Bearing number : 688TD/672+A. Size (mm) : 95.25x168.275x95.25. Brand : NTN. Bore Diameter (mm) : 95,25.

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