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Kaydon Endurakote®-plated bearings

NG 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
NG040AR0 3.9998 6.0003 4.742 5.258 5.491 6,281 10,167 13,630 9,480 27,360 3.610
NG042AR0 4.2498 6.2503 4.992 5.508 5.741 6,438 10,384 14,090 9,950 28,730 3.830
NG045AR0 4.4998 6.5003 5.242 5.758 5.989 6,562 10,592 14,530 10,430 30,100 3.950
NG047AR0 4.7498 6.7503 5.492 6.008 6.239 6,745 10,792 14,970 10,900 31,460 4.170
NG050AR0 4.9998 7.0003 5.742 6.258 6.489 6,897 10,985 15,400 11,370 32,830 4.420
NG055AR0 5.4998 7.5003 6.242 6.758 6.989 7,192 11,352 16,240 12,320 35,570 4.730
NG060AR0 5.9998 8.0003 6.742 7.258 7.489 7,480 11,697 17,060 13,270 38,300 5.070
NG065AR0 6.4998 8.5003 7.242 7.758 7.987 7,761 12,023 17,870 14,220 41,040 5.410
NG070AR0 6.9998 9.0003 7.742 8.258 8.487 8,035 12,333 18,650 15,160 43,780 5.870
NG075AR0 7.4998 9.5003 8.242 8.758 8.987 8,303 12,629 19,420 16,110 46,510 6.200
NG080AR0 7.9998 10.0003 8.742 9.258 9.485 8,566 12,912 20,180 17,060 49,250 6.540
NG090AR0 8.9998 11.0003 9.742 10.258 10.485 9,073 13,446 21,640 18,960 54,720 7.220
NG100AR0 9.9998 12.0003 10.742 11.258 11.483 9,561 13,942 23,060 20,850 60,190 8.000
NG110AR0 10.9998 13.0003 11.742 12.258 12.481 10,027 14,409 24,440 22,750 65,660 8.680
NG120AR0 11.9998 14.0003 12.742 13.258 13.481 10,481 14,849 25,780 24,640 71,140 9.470
NG140AR0 13.9998 16.0003 14.742 15.258 15.478 11,338 15,665 28,360 28,430 82,080 10.900
NG160AR0 15.9998 18.0003 16.742 17.258 17.474 12,142 16,411 30,830 32,220 93,020 12.400
NG180AR0 17.9998 20.0003 18.742 19.258 19.472 12,898 17,101 33,200 36,020 104,000 13.800
NG200AR0 19.9998 22.0003 20.742 21.258 21.468 13,612 17,745 35,490 39,810 114,900 15.200
NG220AR0 21.9998 24.0003 22.742 23.258 23.468 14,290 18,351 37,712 43,598 125,856 16.630
NG250AR0 24.9998 27.0003 25.742 26.258 26.461 15,239 19,198 40,920 49,280 142,300 18.800
NG300AR0 29.9998 32.0003 30.742 31.258 31.451 16,687 20,480 46,020 58,760 169,600 22.500
NG350AR0 34.9998 37.0003 35.742 36.258 36.440 17,982 21,636 50,840 68,240 197,000 26.200
NG400AR0 39.9998 42.0003 40.742 41.258 41.430 19,153 22,693 55,440 77,720 224,400 29.800
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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
NG series, type C
NG 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
1/2" balls

NG series, type A - angular contact, bearing profile

4F = 0.080
Bearing corners are
normally chamfered