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Kaydon Reali-Slim® open bearings

KC series
Type A – angular contact

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
KC040AR0 4.000 4.750 4.277 4.473 4.554 1,153 2,520 2,770 2,550 7,360 0.440
KC042AR0 4.250 5.000 4.527 4.723 4.804 1,194 2,580 2,880 2,710 7,820 0.460
KC045AR0 4.500 5.250 4.777 4.973 5.052 1,234 2,637 2,990 2,860 8,270 0.490
KC047AR0 4.750 5.500 5.027 5.223 5.302 1,274 2,693 3,100 3,020 8,720 0.510
KC050AR0 5.000 5.750 5.277 5.473 5.552 1,313 2,746 3,200 3,180 9,170 0.540
KC055AR0 5.500 6.250 5.777 5.973 6.052 1,374 2,820 3,370 3,440 9,920 0.580
KC060AR0 6.000 6.750 6.277 6.473 6.550 1,448 2,917 3,580 3,750 10,820 0.640
KC065AR0 6.500 7.250 6.777 6.973 7.050 1,519 3,009 3,770 4,060 11,720 0.680
KC070AR0 7.000 7.750 7.277 7.473 7.550 1,575 3,071 3,930 4,320 12,470 0.740
KC075AR0 7.500 8.250 7.777 7.973 8.048 1,642 3,156 4,120 4,630 13,380 0.780
KC080AR0 8.000 8.750 8.277 8.473 8.548 1,708 3,236 4,300 4,950 14,280 0.840
KC090AR0 9.000 9.750 9.277 9.473 9.546 1,822 3,366 4,630 5,520 15,930 0.980
KC100AR0 10.000 10.750 10.277 10.473 10.544 1,942 3,508 4,970 6,140 17,730 1.040
KC110AR0 11.000 11.750 11.277 11.473 11.542 2,047 3,621 5,280 6,720 19,390 1.140
KC120AR0 12.000 12.750 12.277 12.473 12.540 2,147 3,729 5,570 7,290 21,040 1.230
KC140AR0 14.000 14.750 14.277 14.473 14.535 2,347 3,946 6,170 8,490 24,500 1.430
KC160AR0 16.000 16.750 16.277 16.473 16.529 2,533 4,144 6,730 9,680 27,950 1.630
KC180AR0 18.000 18.750 18.277 18.473 18.523 2,707 4,326 7,280 10,880 31,410 1.830
KC200AR0 20.000 20.750 20.277 20.473 20.517 2,863 4,484 7,780 12,030 34,720 2.030
KC250AR0 25.000 25.750 25.277 25.473 25.500 3,233 4,863 9,010 14,900 43,280 2.520
KC300AR0 30.000 30.750 30.277 30.473 30.484 3,561 5,196 10,160 17,960 51,850 3.020
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Notes
1 Capacities listed are not simultaneous. For combined loading see discussion of Bearing Selection and Load Analysis in the Kaydon Reali-Slim® bearing catalog. 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
KC series, type C
KC series, type X
Thin section bearing selector
Reali-Slim® open & sealed bearings part number codes
Reali-Design® engineering software

Related downloads
Kaydon Reali-Slim® bearing catalog (Adobe PDF)

Adobe Acrobat Reader

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Circular pocket separator
3/16" balls

KC series, type A - angular contact, bearing profile

4F = 0.040
Bearing corners are
normally chamfered