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Kaydon Endurakote®-plated bearings

ND 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
ND040AR0 3.9998 5.0003 4.370 4.630 4.741 1,819 3,708 4,260 3,550 10,260 0.800
ND042AR0 4.2498 5.2503 4.620 4.880 4.991 1,876 3,786 4,420 3,750 10,830 0.840
ND045AR0 4.4998 5.5003 4.870 5.130 5.241 1,931 3,861 4,570 3,950 11,400 0.880
ND047AR0 4.7498 5.7503 5.120 5.380 5.490 1,986 3,934 4,720 4,150 11,970 0.930
ND050AR0 4.9998 6.0003 5.370 5.630 5.740 2,040 4,004 4,870 4,340 12,540 0.980
ND055AR0 5.4998 6.5003 5.870 6.130 6.238 2,145 4,138 5,160 4,740 13,680 1.060
ND060AR0 5.9998 7.0003 6.370 6.630 6.738 2,247 4,264 5,440 5,130 14,820 1.150
ND065AR0 6.4998 7.5003 6.870 7.130 7.236 2,346 4,384 5,720 5,530 15,960 1.240
ND070AR0 6.9998 8.0003 7.370 7.630 7.736 2,442 4,499 5,990 5,920 17,100 1.330
ND075AR0 7.4998 8.5003 7.870 8.130 8.236 2,536 4,608 6,250 6,320 18,240 1.420
ND080AR0 7.9998 9.0003 8.370 8.630 8.734 2,627 4,713 6,510 6,710 19,380 1.520
ND090AR0 8.9998 10.0003 9.370 9.630 9.732 2,803 4,911 7,010 7,500 21,660 1.690
ND100AR0 9.9998 11.0003 10.370 10.630 10.732 2,972 5,096 7,500 8,290 23,940 1.870
ND110AR0 10.9998 12.0003 11.370 11.630 11.730 3,133 5,270 7,960 9,080 26,220 2.050
ND120AR0 11.9998 13.0003 12.370 12.630 12.728 3,288 5,434 8,420 9,870 28,500 2.230
ND140AR0 13.9998 15.0003 14.370 14.630 14.724 3,582 5,739 9,290 11,450 33,060 2.570
ND160AR0 15.9998 17.0003 16.370 16.630 16.718 3,856 6,018 10,130 13,030 37,620 2.930
ND180AR0 17.9998 19.0003 18.370 18.630 18.712 4,113 6,276 10,930 14,610 42,180 3.290
ND200AR0 19.9998 21.0003 20.370 20.630 20.705 4,356 6,517 11,710 16,190 46,740 3.650
ND210AR0 20.9998 22.0003 21.370 21.630 21.700 4,472 6,632 12,086 16,981 49,020 3.830
ND250AR0 24.9998 26.0003 25.370 25.630 25.688 4,908 7,060 13,540 20,140 58,140 4.540
ND300AR0 29.9998 31.0003 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 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
ND series, type C
ND 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
1/4" balls

ND series, type A - angular contact, bearing profile

4F = 0.060
Bearing corners are
normally chamfered