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SD Series 1/2 x 1/2

Type A
Angular Contact
SD_ _ _ARO

Circular pocket separator
1/4″ balls
interchange

Silverthin SD Dimensions Angular Contact Type

Type C
Radial Contact
SD_ _ _CPO

Snapover separator
1/4″ balls
interchange

Silverthin SD Dimensions Radial Contact Type

Type X
Four-Point Contact
SD_ _ _XPO

Snapover separator
1/4″ balls
interchange

Silverthin SD Dimensions Four Point Contact Type

SILVERTHIN BEARINGS • SD SERIES 1/2″ x 1/2″
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
SD040 4.000 5.000 4.370 4.630 4.741 3,558 1,481 10,263 4,262 3,086 1,418 7,702 3,526 6,935 3,171 .78
SD042 4.250 5.250 4.620 4.880 4.991 3,757 1,534 10,830 4,421 3,193 1,442 7,989 3,607 7,582 3,420 .83
SD045 4.500 5.500 4.870 5.130 5.241 3,952 1,580 11,402 4,576 3,423 1,512 8,552 3,773 8,555 3,774 .88
SD047 4.750 5.750 5.120 5.380 5.490 4,158 1,646 11,973 4,727 3,534 1,548 8,842 3,860 9,287 4,053 .94
SD050 5.000 6.000 5.370 5.630 5.740 4,342 1,698 12,544 4,873 3,764 1,611 9,415 4,020 10,354 4,422 1.00
SD055 5.500 6.500 5.870 6.130 6.238 4,741 1,790 13,688 5,165 4,109 1,703 10,265 4,265 12,316 5,112 1.06
SD060 6.000 7.000 6.370 6.630 6.738 5,130 1,893 14,827 5,443 4,450 1,803 11,127 4,494 14,452 5,840 1.16
SD065 6.500 7.500 6.870 7.130 7.236 5,531 1,980 15,967 5,722 4,796 1,899 11,974 4,724 16,760 6,613 1.22
SD070 7.000 8.000 7.370 7.630 7.736 5,929 2,077 17,104 5,996 5,131 1,980 12,832 4,946 19,249 7,421 1.31
SD075 7.500 8.500 7.870 8.130 8.236 6,320 2,172 18,240 6,253 5,474 2,063 13,688 5,168 21,895 8,264 1.41
SD080 8.000 9.000 8.370 8.630 8.734 6,717 2,261 19,380 6,517 5,814 2,150 14,543 5,372 24,714 9,145 1.53
SD090 9.000 10.000 9.370 9.630 9.732 7,504 2,432 21,663 7,018 6,504 2,328 16,255 5,793 30,870 11,001 1.72
SD100 10.000 11.000 10.370 10.630 10.732 8,299 2,603 23,947 7,500 7,183 2,478 17,963 6,196 37,710 12,995 1.88
SD110 11.000 12.000 11.370 11.630 11.730 9,087 2,768 26,227 7,961 7,872 2,630 19,674 6,572 45,235 15,120 2.06
SD120 12.000 13.000 12.370 12.630 12.728 9,871 2,920 28,503 8,427 8,559 2,783 21,380 6,953 53,443 17,375 2.25
SD140 14.000 15.000 14.370 14.630 14.724 11,452 3,221 33,063 9,291 9,922 3,071 24,802 7,672 71,912 22,251 2.73
SD160 16.000 17.000 16.370 16.630 16.718 13,031 3,512 37,621 10,132 11,293 3,353 28,221 8,364 93,112 27,602 3.10
SD180 18.000 19.000 18.370 18.630 18.712 14,612 3,792 42,181 10,934 12,653 3,612 31,642 9,031 117,003 33,401 3.48
SD200 20.000 21.000 20.370 20.630 20.705 16,191 4,063 46,743 11,712 14,021 3,871 35,061 9,672 143,703 39,634 3.85
SD250 25.000 26.000 25.370 25.630 25.688 20,143 4,692 58,144 13,543 17,442 4,472 43,612 11,181 222,401 57,013 4.79
SD300 30.000 31.000 30.370 30.630 30.672 24,092 5,292 69,543 15,261 20,862 5,043 52,162 12,604 318,102 76,842 5.73
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.
KD040ARO SD040ARO
KD042ARO SD042ARO
KD045ARO SD045ARO
KD047ARO SD047ARO
KD050ARO SD050ARO
KD055ARO SD055ARO
KD060ARO SD060ARO
KD065ARO SD065ARO
KD070ARO SD070ARO
KD075ARO SD075ARO
KD080ARO SD080ARO
KD090ARO SD090ARO
KD100ARO SD100ARO
KD110ARO SD110ARO
KD120ARO SD120ARO
KD140ARO SD140ARO
KD160ARO SD160ARO
KD180ARO SD180ARO
KD200ARO SD200ARO
KD250ARO SD250ARO
KD300ARO SD300ARO
2. The maximum shaft or housing fillet radius that the bearing corners will clear for this series is .060.
TYPE C INTERCHANGE
KAYDON
Part No.
SILVERTHIN
Part No.
KD040CPO SD040CPO
KD042CPO SD042CPO
KD045CPO SD045CPO
KD047CPO SD047CPO
KD050CPO SD050CPO
KD055CPO SD055CPO
KD060CPO SD060CPO
KD065CPO SD065CPO
KD070CPO SD070CPO
KD075CPO SD075CPO
KD080CPO SD080CPO
KD090CPO SD090CPO
KD100CPO SD100CPO
KD110CPO SD110CPO
KD120CPO SD120CPO
KD140CPO SD140CPO
KD160CPO SD160CPO
KD180CPO SD180CPO
KD200CPO SD200CPO
KD250CPO SD250CPO
KD300CPO SD300CPO
3. Bearing width tolerance +.000-.005, over 12″; Bore +.000 – .010
TYPE X INTERCHANGE
KAYDON
Part No.
SILVERTHIN
Part No.
KD040XPO SD040XPO
KD042XPO SD042XPO
KD045XPO SD045XPO
KD047XPO SD045XPO
KD050XPO SD050XPO
KD055XPO SD055XPO
KD060XPO SD060XPO
KD065XPO SD065XPO
KD070XPO SD070XPO
KD075XPO SD075XPO
KD080XPO SD080XPO
KD090XPO SD090XPO
KD100XPO SD100XPO
KD110XPO SD110XPO
KD120XPO SD120XPO
KD140XPO SD140XPO
KD160XPO SD160XPO
KD180XPO SD180XPO
KD200XPO SD200XPO
KD250XPO SD250XPO
KD300XPO SD300XPO

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