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Kaydon Reali-Slim® open bearings

KB series
Type X – four point contact

A Conrad assembled bearing designed for applications involving multiple loads. Unique internal geometry permits application of radial load, thrust load in either direction, and moment load, individually or in any combination. A single four-point contact bearing may replace two bearings in many applications.

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Kaydon
part
number		 Dimensions in Inches Capacities1 Approx.
weight
(lbs)
Bore Outside
dia.		 Land
dia.
L1		 Land
dia.
L2		 Dynamic Static2
Radial
(lbs)		 Thrust
(lbs)		 Moment
(in-lbs)		 Radial
(lbs)		 Thrust
(lbs)		 Moment
(in-lbs)
KB020XP0 2.000 2.625 2.231 2.393 758 1,130 658 930 2,340 1,080 0.160
KB025XP0 2.500 3.125 2.731 2.893 848 1,290 895 1,140 2,840 1,600 0.190
KB030XP0 3.000 3.625 3.231 3.393 933 1,440 1,159 1,340 3,350 2,220 0.240
KB035XP0 3.500 4.125 3.731 3.893 1,014 1,590 1,450 1,540 3,860 2,940 0.270
KB040XP0 4.000 4.625 4.231 4.393 1,091 1,720 1,764 1,750 4,370 3,770 0.300
KB042XP0 4.250 4.875 4.481 4.643 1,120 1,780 1,917 1,830 4,570 4,170 0.310
KB045XP0 4.500 5.125 4.731 4.893 1,165 1,850 2,103 1,950 4,880 4,690 0.330
KB047XP0 4.750 5.375 4.981 5.143 1,193 1,900 2,265 2,030 5,080 5,140 0.340
KB050XP0 5.000 5.625 5.231 5.393 1,236 1,980 2,463 2,150 5,380 5,720 0.380
KB055XP0 5.500 6.125 5.731 5.893 1,304 2,100 2,844 2,360 5,890 6,850 0.410
KB060XP0 6.000 6.625 6.231 6.393 1,371 2,220 3,247 2,560 6,400 8,080 0.440
KB065XP0 6.500 7.125 6.731 6.893 1,435 2,340 3,668 2,760 6,910 9,410 0.470
KB070XP0 7.000 7.625 7.231 7.393 1,498 2,450 4,109 2,970 7,420 10,850 0.500
KB075XP0 7.500 8.125 7.731 7.893 1,559 2,560 4,568 3,170 7,920 12,380 0.530
KB080XP0 8.000 8.625 8.231 8.393 1,618 2,670 5,045 3,370 8,430 14,020 0.570
KB090XP0 9.000 9.625 9.231 9.393 1,732 2,880 6,050 3,780 9,450 17,600 0.660
KB100XP0 10.000 10.625 10.231 10.393 1,841 3,080 7,121 4,190 10,460 21,580 0.730
KB110XP0 11.000 11.625 11.231 11.393 1,945 3,280 8,254 4,590 11,480 25,970 0.750
KB120XP0 12.000 12.625 12.231 12.393 2,045 3,470 9,446 5,000 12,500 30,770 0.830
KB140XP0 14.000 14.625 14.231 14.393 2,234 3,840 11,994 5,810 14,530 41,580 1.050
KB160XP0 16.000 16.625 16.231 16.393 2,410 4,190 14,750 6,620 16,560 54,020 1.200
KB180XP0 18.000 18.625 18.231 18.393 2,576 4,520 17,694 7,440 18,590 68,090 1.350
KB200XP0 20.000 20.625 20.231 20.393 2,731 4,850 20,813 8,250 20,620 83,780 1.500
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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 "F" is the maximum shaft or housing fillet radius the bearing corners will clear.

 
Related pages
KB series, type A
KB series, type C
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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Snap-over separator
5/32" balls

KB series, type X - four point contact, bearing profile

3F = 0.040
Bearing corners are
normally chamfered