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Kaydon Endurakote®-plated bearings

NC 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
NC040AR0 3.9998 4.7503 4.277 4.473 4.554 1,153 2,520 2,770 2,550 7,360 0.440
NC042AR0 4.2498 5.0003 4.527 4.723 4.804 1,194 2,580 2,880 2,710 7,820 0.460
NC045AR0 4.4998 5.2503 4.777 4.973 5.052 1,234 2,637 2,990 2,860 8,270 0.490
NC047AR0 4.7498 5.5003 5.027 5.223 5.302 1,274 2,693 3,100 3,020 8,720 0.510
NC050AR0 4.9998 5.7503 5.277 5.473 5.552 1,313 2,746 3,200 3,180 9,170 0.540
NC055AR0 5.4998 6.2503 5.777 5.973 6.052 1,374 2,820 3,370 3,440 9,920 0.580
NC060AR0 5.9998 6.7503 6.277 6.473 6.550 1,448 2,917 3,580 3,750 10,820 0.640
NC065AR0 6.4998 7.2503 6.777 6.973 7.050 1,519 3,009 3,770 4,060 11,720 0.680
NC070AR0 6.9998 7.7503 7.277 7.473 7.550 1,575 3,071 3,930 4,320 12,470 0.740
NC075AR0 7.4998 8.2503 7.777 7.973 8.048 1,642 3,156 4,120 4,630 13,380 0.780
NC080AR0 7.9998 8.7503 8.277 8.473 8.548 1,708 3,236 4,300 4,950 14,280 0.840
NC090AR0 8.9998 9.7503 9.277 9.473 9.546 1,822 3,366 4,630 5,520 15,930 0.980
NC100AR0 9.9998 10.7503 10.277 10.473 10.544 1,942 3,508 4,970 6,140 17,730 1.040
NC110AR0 10.9998 11.7503 11.277 11.473 11.542 2,047 3,621 5,280 6,720 19,390 1.140
NC120AR0 11.9998 12.7503 12.277 12.473 12.540 2,147 3,729 5,570 7,290 21,040 1.230
NC140AR0 13.9998 14.7503 14.277 14.473 14.535 2,347 3,946 6,170 8,490 24,500 1.430
NC160AR0 15.9998 16.7503 16.277 16.473 16.529 2,533 4,144 6,730 9,680 27,950 1.630
NC180AR0 17.9998 18.7503 18.277 18.473 18.523 2,707 4,326 7,280 10,880 31,410 1.830
NC200AR0 19.9998 20.7503 20.277 20.473 20.517 2,863 4,484 7,780 12,030 34,720 2.030
NC250AR0 24.9998 25.7503 25.277 25.473 25.500 3,233 4,863 9,010 14,900 43,280 2.520
NC300AR0 29.9998 30.7503 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
NC series, type C
NC series, type X
Thin section bearing selector
Endurakote®-plated 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

NC series, type A - angular contact, bearing profile

4F = 0.040
Bearing corners are
normally chamfered