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spacer Kaydon Bearings - RealiSlim open bearings
Kaydon Bearings - KD series
Kaydon Bearings - type A, angular contact bearings

A deep groove bearing with reduced shoulder on one side of inner or outer race ball path. Snapover assembly permits use of a one-piece circular pocket ring separator and greater ball complement. These bearings will accept radial load and single direction thrust load and are normally used in conjunction with another bearing of similar construction. Type A bearings require the application of thrust to establish contact angle.

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Kaydon
part
number
Dimensions in inches Capacities (lbs)1 Approx.
weight
(lbs)
Bore Outside
dia.
Land
dia.
L1
Land
dia.
L2
C'Bore
dia.
L3
Dynamic Static2
Kaydon
radial
ISO
radial3
Thrust Radial Thrust
KD040AR0 4.000 5.000 4.370 4.630 4.741 1,819 3,708 4,260 3,550 10,260 0.800
KD042AR0 4.250 5.250 4.620 4.880 4.991 1,876 3,786 4,420 3,750 10,830 0.840
KD045AR0 4.500 5.500 4.870 5.130 5.241 1,931 3,861 4,570 3,950 11,400 0.880
KD047AR0 4.750 5.750 5.120 5.380 5.490 1,986 3,934 4,720 4,150 11,970 0.930
KD050AR0 5.000 6.000 5.370 5.630 5.740 2,040 4,004 4,870 4,340 12,540 0.980
KD055AR0 5.500 6.500 5.870 6.130 6.238 2,145 4,138 5,160 4,740 13,680 1.060
KD060AR0 6.000 7.000 6.370 6.630 6.738 2,247 4,264 5,440 5,130 14,820 1.150
KD065AR0 6.500 7.500 6.870 7.130 7.236 2,346 4,384 5,720 5,530 15,960 1.240
KD070AR0 7.000 8.000 7.370 7.630 7.736 2,442 4,499 5,990 5,920 17,100 1.330
KD075AR0 7.500 8.500 7.870 8.130 8.236 2,536 4,608 6,250 6,320 18,240 1.420
KD080AR0 8.000 9.000 8.370 8.630 8.734 2,627 4,713 6,510 6,710 19,380 1.520
KD090AR0 9.000 10.000 9.370 9.630 9.732 2,803 4,911 7,010 7,500 21,660 1.690
KD100AR0 10.000 11.000 10.370 10.630 10.732 2,972 5,096 7,500 8,290 23,940 1.870
KD110AR0 11.000 12.000 11.370 11.630 11.730 3,133 5,270 7,960 9,080 26,220 2.050
KD120AR0 12.000 13.000 12.370 12.630 12.728 3,288 5,434 8,420 9,870 28,500 2.230
KD140AR0 14.000 15.000 14.370 14.630 14.724 3,582 5,739 9,290 11,450 33,060 2.570
KD160AR0 16.000 17.000 16.370 16.630 16.718 3,856 6,018 10,130 13,030 37,620 2.930
KD180AR0 18.000 19.000 18.370 18.630 18.712 4,113 6,276 10,930 14,610 42,180 3.290
KD200AR0 20.000 21.000 20.370 20.630 20.705 4,356 6,517 11,710 16,190 46,740 3.650
KD210AR0 21.000 22.000 21.370 21.630 21.700 4,472 6,632 12,086 16,981 49,020 3.830
KD250AR0 25.000 26.000 25.370 25.630 25.688 4,908 7,060 13,540 20,140 58,140 4.540
KD300AR0 30.000 31.000 30.370 30.630 30.672 5,397 7,538 15,260 24,090 69,540 5.440
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Notes
1 Capacities listed are not simultaneous. For combined loading see discussion of Bearing Selection and Load Analysis in "Catalog 300—Ball & Roller Bearings". Dynamic capacities are based upon 1 million revolutions of L10 life. Published capacities do not apply to hybrid series bearings P, X, and Y. Contact Kaydon product engineering for values.
2 Static capacities are non-brinell limits based on rigid support from the shaft and housing.
3 ISO Radial ratings are calculated per ISO 281:1990. They are included for comparison only.
4 "F" is the maximum shaft or housing fillet radius the bearing corners will clear.

 
Related pages
KD series, type C
KD series, type X
Thin section bearing selector
Reali-Slim® open & sealed bearings part number codes
Reali-Design® engineering software

Related downloads
Catalog 300: open bearings (Adobe PDF)
Catalog 300: all pages (Adobe PDF)
Precision tolerances and recommended fits (Adobe PDF)

Adobe Acrobat Reader

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Circular pocket separator
1/4" balls

KD series, type A - angular contact, bearing profile

4F = 0.060
Bearing corners are
normally chamfered

 
 

 
 

 

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