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Kaydon Reali-Slim® open bearings

KF 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
KF040AR0 4.000 5.500 4.555 4.945 5.115 3,736 6,809 8,420 6,350 18,340 1.920
KF042AR0 4.250 5.750 4.805 5.195 5.365 3,805 6,891 8,630 6,600 19,050 2.040
KF045AR0 4.500 6.000 5.055 5.445 5.615 3,966 7,134 9,050 7,090 20,460 2.140
KF047AR0 4.750 6.250 5.305 5.695 5.865 4,034 7,207 9,260 7,330 21,160 2.260
KF050AR0 5.000 6.500 5.555 5.945 6.115 4,101 7,279 9,460 7,570 21,870 2.370
KF055AR0 5.500 7.000 6.055 6.445 6.613 4,319 7,566 10,060 8,310 23,980 2.590
KF060AR0 6.000 7.500 6.555 6.945 7.113 4,530 7,835 10,650 9,040 26,100 2.720
KF065AR0 6.500 8.000 7.055 7.445 7.613 4,734 8,088 11,220 9,770 28,220 2.940
KF070AR0 7.000 8.500 7.555 7.945 8.113 4,932 8,329 11,770 10,510 30,330 3.160
KF075AR0 7.500 9.000 8.055 8.445 8.610 5,052 8,432 12,130 11,000 31,740 3.390
KF080AR0 8.000 9.500 8.555 8.945 9.110 5,242 8,655 12,670 11,730 33,860 3.610
KF090AR0 9.000 10.500 9.555 9.945 10.108 5,608 9,073 13,700 13,190 38,090 3.950
KF100AR0 10.000 11.500 10.555 10.945 11.106 5,890 9,353 14,530 14,420 41,620 4.400
KF110AR0 11.000 12.500 11.555 11.945 12.106 6,227 9,720 15,500 15,880 45,850 4.750
KF120AR0 12.000 13.500 12.555 12.945 13.104 6,487 9,969 16,290 17,100 49,380 5.200
KF140AR0 14.000 15.500 14.555 14.945 15.102 7,043 10,523 17,950 19,790 57,140 5.760
KF160AR0 16.000 17.500 16.555 16.945 17.098 7,563 11,030 19,540 22,480 64,890 6.780
KF180AR0 18.000 19.500 18.555 18.945 19.096 8,103 11,573 21,210 25,410 73,360 7.670
KF200AR0 20.000 21.500 20.555 20.945 21.092 8,562 12,006 22,680 28,100 81,120 8.470
KF250AR0 25.000 26.500 25.555 25.945 26.085 9,585 12,954 26,100 34,700 100,200 10.500
KF300AR0 30.000 31.500 30.555 30.945 31.075 10,533 13,848 29,430 41,540 119,900 12.500
KF350AR0 35.000 36.500 35.555 35.945 36.064 11,382 14,653 32,580 48,380 139,700 14.600
KF400AR0 40.000 41.500 40.555 40.945 41.054 12,147 15,387 35,580 55,220 159,400 16.600
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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
KF series, type C
KF 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
3/8" balls

KF series, type A - angular contact, bearing profile

4F = 0.080
Bearing corners are
normally chamfered