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Kaydon Reali-Slim® open bearings

KB 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
KB020AR0 2.000 2.625 2.231 2.393 2.464 601 1,520 1,380 1,090 3,150 0.150
KB025AR0 2.500 3.125 2.731 2.893 2.964 675 1,650 1,590 1,340 3,860 0.190
KB030AR0 3.000 3.625 3.231 3.393 3.462 734 1,737 1,750 1,550 4,470 0.220
KB035AR0 3.500 4.125 3.731 3.893 3.962 801 1,840 1,930 1,790 5,180 0.270
KB040AR0 4.000 4.625 4.231 4.393 4.460 865 1,934 2,100 2,040 5,890 0.300
KB042AR0 4.250 4.875 4.481 4.643 4.710 891 1,967 2,170 2,150 6,200 0.310
KB045AR0 4.500 5.125 4.731 4.893 4.960 917 2,000 2,240 2,250 6,500 0.340
KB047AR0 4.750 5.375 4.981 5.143 5.210 951 2,051 2,340 2,390 6,910 0.350
KB050AR0 5.000 5.625 5.231 5.393 5.460 976 2,081 2,410 2,500 7,210 0.370
KB055AR0 5.500 6.125 5.731 5.893 5.958 1,033 2,158 2,560 2,740 7,920 0.400
KB060AR0 6.000 6.625 6.231 6.393 6.458 1,088 2,230 2,710 2,990 8,630 0.440
KB065AR0 6.500 7.125 6.731 6.893 6.958 1,132 2,281 2,840 3,200 9,240 0.470
KB070AR0 7.000 7.625 7.231 7.393 7.456 1,184 2,347 2,980 3,450 9,960 0.500
KB075AR0 7.500 8.125 7.731 7.893 7.955 1,235 2,409 3,120 3,700 10,670 0.540
KB080AR0 8.000 8.625 8.231 8.393 8.453 1,284 2,469 3,260 3,940 11,380 0.570
KB090AR0 9.000 9.625 9.231 9.393 9.451 1,370 2,568 3,510 4,400 12,700 0.640
KB100AR0 10.000 10.625 10.231 10.393 10.449 1,461 2,673 3,760 4,890 14,120 0.710
KB110AR0 11.000 11.625 11.231 11.393 11.447 1,540 2,760 4,000 5,350 15,440 0.780
KB120AR0 12.000 12.625 12.231 12.393 12.445 1,623 2,853 4,240 5,840 16,860 0.850
KB140AR0 14.000 14.625 14.231 14.393 14.439 1,767 3,005 4,670 6,760 19,500 0.980
KB160AR0 16.000 16.625 16.231 16.393 16.433 1,907 3,154 5,100 7,710 22,250 1.120
KB180AR0 18.000 18.625 18.231 18.393 18.425 2,038 3,292 5,510 8,660 24,990 1.260
KB200AR0 20.000 20.625 20.231 20.393 20.416 2,162 3,421 5,900 9,610 27,730 1.400
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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
KB series, type C
KB 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
5/32" balls

KB series, type A - angular contact, bearing profile

4F = 0.040
Bearing corners are
normally chamfered