Tapered Roller Bearings - TS (Tapered Single)

68450/68712RB bearing | Tapered Roller Bearings/TS (Tapered Single) Imperial

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Price：	enquiry
Model Number：	68450/68712RB
Series：	1.21
r - Cup Backface "To Clear" Radius²：	34.925 mm1.3750 in
Design Units：	68000
Db - Cup Backface Backing Diameter：	3.3 mm0.130 in
da - Cone Frontface Backing Diameter：	3.560 mm0.14 in

Series	68000
Cone Part Number	68450
Cup Part Number	68712RB
Design Units	Imperial
Bearing Weight	2.9 Kg6.4 lb
Cage Type	Stamped Steel
d - Bore	114.300 mm4.5000 in
D - Cup Outer Diameter	180.975 mm7.1250 in
B - Cone Width	31.750 mm1.2500 in
C - Cup Width	25.400 mm1.0000 in
T - Bearing Width	34.925 mm1.3750 in
R - Cone Backface "To Clear" Radius¹	3.560 mm0.14 in
r - Cup Backface "To Clear" Radius²	3.3 mm0.130 in
da - Cone Frontface Backing Diameter	122.94 mm5.79 in
db - Cone Backface Backing Diameter	130.05 mm5.12 in
Da - Cup Frontface Backing Diameter	172 mm6.81 in
Db - Cup Backface Backing Diameter	163.07 mm6.42 in
Ab - Cage-Cone Frontface Clearance	3 mm0.12 in
Aa - Cage-Cone Backface Clearance	4.6 mm0.18 in
a - Effective Center Location³	5.3 mm0.21 in
C90 - Dynamic Radial Rating (90 million revolutions)⁴	13500 lbf60100 N
C1 - Dynamic Radial Rating (1 million revolutions)⁵	52100 lbf232000 N
C0 - Static Radial Rating	61000 lbf271000 N
C_a90 - Dynamic Thrust Rating (90 million revolutions)⁶	11500 lbf51100 N
K - Factor⁷	1.18
e - ISO Factor⁸	0.5
Y - ISO Factor⁹	1.21
G1 - Heat Generation Factor (Roller-Raceway)	163.1
G2 - Heat Generation Factor (Rib-Roller End)	51.7
Cg - Geometry Factor¹⁰	0.103

No.	Series	r - Cup Backface "To Clear" Radius²	Design Units	Db - Cup Backface Backing Diameter	da - Cone Frontface Backing Diameter	D - Cup Outer Diameter
52216	1.0	1.0	1.0	1.0	115.0	65
23968R	3.0	790	590	23968R	460	242
QMFX09J112S	3.72	2.5	11.0 lb5.0 Kg	0883450142168 0883450142175 0883450142182 0883450142199 0883450142205 0883450142212 0883450142229 08	0.0015 in0.038 mm	1-3/4 in
22334KEMBW33C2	2.07	3.15	2.11	1400	1200	3.00 mm0.120 in
29480	400	7.5	29480	321.00	710	2 250 000
UCFCX16	A-PT1/8	80 / Medium-duty(X)	80	Medium-duty(X)	UCFCX16	-
357DW/354X	3.28	2.2	1.9788 in50.262 mm	355	0.06 in1.5 mm	0.030 in0.80 mm
7064BDB FY	320	4.0	7064BDB FY	950	710	480
51220	38	150	100	1.1	2.36	1900
UKFC207D1;H2307X	UKFC207D1;H2307X	30	UK207D1;H2307X	14.0	1.7	135

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