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SF Series 3/4 x 3/4

Type A
Angular Contact
SF_ _ _ARO

Circular pocket separator
3/8″ balls
interchange

Silverthin SF Dimensions Angular Contact Type

Type C
Radial Contact
SF_ _ _CPO

Snapover separator
3/8″ balls
interchange

Silverthin SF Dimensions Radial Contact Type

Type X
Four-Point Contact
SF_ _ _XPO

Snapover separator
3/8″ balls
interchange

Silverthin SF Dimensions Four Point Contact Type

SILVERTHIN BEARINGS • SF SERIES 3/4″ x 3/4″
SILVER
THIN
PART NO.
& RFQ
DIMENSION IN INCHES CAPACITIES IN POUNDS Appx.
Weight
Pounds
Bore
B
Outside
Diam.
D
Land
Diam.
L1
Land
Diam.
L2
C’
Bore
Diam.
L3
TYPE A TYPE C & X TYPE X
Radial Thrust Radial Thrust Moment
(Lbs-in)
Static Dyn Static Dyn Static Dyn Static Dyn Static Dyn
SF040 4.000 5.500 4.555 4.945 5.115 6,353 2,921 18,340 8,422 5,363 2,733 13,407 6,835 12,730 6,493 1.9
SF042 4.250 5.750 4.805 5.195 5.365 6,600 2,998 19,054 8,633 5,645 2,830 14,111 7,073 14,119 7,076 2.0
SF045 4.500 6.000 5.060 5.445 5.615 7,095 3,143 20,462 9,050 5,937 2,925 14,814 7,302 15,550 7,660 2.1
SF047 4.750 6.250 5.305 5.695 5.865 7,333 3,218 21,166 9,264 6,215 3,013 15,521 7,533 17,077 8,284 2.2
SF050 5.000 6.500 5.555 5.945 6.115 7,570 3,280 21,871 9,461 6,492 3,104 16,220 7,768 18,666 8,923 2.3
SF055 5.500 7.000 6.055 6.445 6.613 8,312 3,499 23,989 10,066 7,053 3,283 17,634 8,207 22,040 10,251 2.5
SF060 6.000 7.500 6.555 6.945 7.113 9,041 3,693 26,101 10,652 7,625 3,450 19,058 8,633 25,716 11,653 2.7
SF065 6.500 8.000 7.055 7.445 7.613 9,773 3,897 28,226 11,220 8,182 3,621 20,463 9,051 29,667 13,135 2.9
SF070 7.000 8.500 7.555 7.945 8.113 10,512 4,083 30,330 11,774 8,750 3,794 21,873 9,466 33,892 14,672 3.2
SF075 7.500 9.000 8.055 8.445 8.610 11,005 4,200 31,743 12,138 9,319 3,958 23,288 9,874 38,413 16,286 3.4
SF080 8.000 9.500 8.555 8.945 9.110 11,733 4,394 33,865 12,670 9,886 4,101 24,694 10,261 43,200 17,967 3.5
SF090 9.000 10.500 9.555 9.945 10.108 13,190 4,752 38,091 13,700 11,004 4,410 27,513 11,032 53,648 21,511 3.9
SF100 10.000 11.500 10.555 10.945 11.106 14,421 5,030 41,621 14,532 12,138 4,715 30,339 11,778 65,217 25,314 4.3
SF110 11.000 12.500 11.555 11.945 12.106 15,883 5,374 45,852 15,506 13,260 5,007 33,159 12,499 77,912 29,357 4.8
SF120 12.000 13.500 12.555 12.945 13.104 17,100 5,641 49,382 16,293 14,390 5,286 35,975 13,193 91,735 33,634 5.2
SF140 14.000 15.500 14.555 14.945 15.102 19,792 6,221 57,142 17,951 16,651 5,812 41,621 14,531 122,802 42,881 6.0
SF160 16.000 17.500 16.555 16.945 17.098 22,483 6,772 64,891 19,543 18,902 6,333 47,264 15,823 158,302 53,002 7.1
SF180 18.000 19.500 18.555 18.945 19.096 25,412 7,351 73,363 21,212 21,163 6,822 52,902 17,062 198,403 63,963 7.9
SF200 20.000 21.500 20.555 20.945 21.092 28,102 7,863 81,123 22,683 23,421 7,303 58,551 18,253 243,002 75,731 8.9
SF250 25.000 26.500 25.555 25.945 26.085 34,703 9,043 100,204 26,102 29,063 8,434 72,653 21,072 374,201 108,502 10.9
SF300 30.000 31.500 30.555 30.945 31.075 41,541 10,191 119,902 29,433 34,702 9,491 86,763 23,723 533,604 145,904 13.0
SF350 35.000 36.500 35.555 35.945 36.064 48,383 11,291 139,702 32,581 40,353 10,492 100,902 26,221 721,203 187,502 15.1
SILVER
THIN
PART NO.
& RFQ
DIMENSION IN INCHES CAPACITIES IN POUNDS Appx.
Weight
Pounds
Bore
B
Outside
Diam.
D
Land
Diam.
L1
Land
Diam.
L2
C’
Bore
Diam.
L3
TYPE A TYPE C & X TYPE X
Radial Thrust Radial Thrust Moment
(Lbs-in)
Static Dyn Static Dyn Static Dyn Static Dyn Static Dyn

ISO Quality Registered

1. For application load information contact Carter Bearings.
TYPE A INTERCHANGE
KAYDON
Part No.
SILVERTHIN
Part No.
KF040ARO SF040ARO
KF042ARO SF042ARO
KF045ARO SF045ARO
KF047ARO SF047ARO
KF050ARO SF050ARO
KF055ARO SF055ARO
KF060ARO SF060ARO
KF065ARO SF065ARO
KF070ARO SF070ARO
KF075ARO SF075ARO
KF080ARO SF080ARO
KF090ARO SF090ARO
KF100ARO SF100ARO
KF110ARO SF110ARO
KF120ARO SF120ARO
KF140ARO SF140ARO
KF160ARO SF160ARO
KF180ARO SF180ARO
KF200ARO SF200ARO
KF250ARO SF250ARO
KF300ARO SF300ARO
KF350ARO SF350ARO
2. The maximum shaft or housing fillet radius that the bearing corners will clear for this series is .080.
TYPE C INTERCHANGE
KAYDON
Part No.
SILVERTHIN
Part No.
KF040CPO SF040CPO
KF042CPO SF042CPO
KF045CPO SF045CPO
KF047CPO SF047CPO
KF050CPO SF050CPO
KF055CPO SF055CPO
KF060CPO SF060CPO
KF065CPO SF065CPO
KF070CPO SF070CPO
KF075CPO SF075CPO
KF080CPO SF080CPO
KF090CPO SF090CPO
KF100CPO SF100CPO
KF110CPO SF110CPO
KF120CPO SF120CPO
KF140CPO SF140CPO
KF160CPO SF160CPO
KF180CPO SF180CPO
KF200CPO SF200CPO
KF250CPO SF250CPO
KF300CPO SF300CPO
KF350CPO SF350CPO
3. Bearing width tolerance +.000-.005, over 12″; Bore +.000 – .010
TYPE X INTERCHANGE
KAYDON
Part No.
SILVERTHIN
Part No.
KF040XPO SF040XPO
KF042XPO SF042XPO
KF045XPO SF045XPO
KF047XPO SF045XPO
KF050XPO SF050XPO
KF055XPO SF055XPO
KF060XPO SF060XPO
KF065XPO SF065XPO
KF070XPO SF070XPO
KF075XPO SF075XPO
KF080XPO SF080XPO
KF090XPO SF090XPO
KF100XPO SF100XPO
KF110XPO SF110XPO
KF120XPO SF120XPO
KF140XPO SF140XPO
KF160XPO SF160XPO
KF180XPO SF180XPO
KF200XPO SF200XPO
KF250XPO SF250XPO
KF300XPO SF300XPO
KF350XPO SF350XPO

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