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spacer Kaydon Bearings - RealiSlim open bearings
Kaydon Bearings - KD series
Kaydon Bearings - type X, four point contact bearings

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)
KD040XP0 4.000 5.000 4.370 4.630 2,311 3,520 3,901 3,080 7,700 6,930 0.780
KD042XP0 4.250 5.250 4.620 4.880 2,355 3,600 4,196 3,190 7,980 7,580 0.830
KD045XP0 4.500 5.500 4.870 5.130 2,454 3,770 4,602 3,420 8,550 8,550 0.880
KD047XP0 4.750 5.750 5.120 5.380 2,496 3,860 4,916 3,530 8,840 9,280 0.940
KD050XP0 5.000 6.000 5.370 5.630 2,592 4,020 5,348 3,760 9,410 10,350 1.000
KD055XP0 5.500 6.500 5.870 6.130 2,725 4,260 6,134 4,100 10,260 12,310 1.060
KD060XP0 6.000 7.000 6.370 6.630 2,855 4,490 6,961 4,450 11,120 14,450 1.160
KD065XP0 6.500 7.500 6.870 7.130 2,980 4,720 7,826 4,790 11,970 16,760 1.220
KD070XP0 7.000 8.000 7.370 7.630 3,103 4,940 8,730 5,130 12,830 19,240 1.310
KD075XP0 7.500 8.500 7.870 8.130 3,222 5,160 9,669 5,470 13,680 21,890 1.410
KD080XP0 8.000 9.000 8.370 8.630 3,338 5,370 10,643 5,810 14,540 24,710 1.530
KD090XP0 9.000 10.000 9.370 9.630 3,561 5,790 12,693 6,500 16,250 30,870 1.720
KD100XP0 10.000 11.000 10.370 10.630 3,776 6,190 14,872 7,180 17,960 37,710 1.880
KD110XP0 11.000 12.000 11.370 11.630 3,981 6,570 17,173 7,870 19,670 45,230 2.060
KD120XP0 12.000 13.000 12.370 12.630 4,178 6,950 19,590 8,550 21,380 53,440 2.250
KD140XP0 14.000 15.000 14.370 14.630 4,551 7,670 24,755 9,920 24,800 71,910 2.730
KD160XP0 16.000 17.000 16.370 16.630 4,899 8,360 30,325 11,290 28,220 93,110 3.100
KD180XP0 18.000 19.000 18.370 18.630 5,226 9,030 36,268 12,650 31,640 117,000 3.480
KD200XP0 20.000 21.000 20.370 20.630 5,534 9,670 42,561 14,020 35,060 143,700 3.850
KD210XP0 21.000 22.000 21.370 21.630 5,682 9,980 45,826 14,710 36,770 158,100 4.040
KD250XP0 25.000 26.000 25.370 25.630 6,235 11,180 59,649 17,440 43,610 222,400 4.790
KD300XP0 30.000 31.000 30.370 30.630 6,856 12,600 78,447 20,860 52,160 318,100 5.730
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Notes
1 Capacities listed are not simultaneous. For combined loading see discussion of Bearing Selection and Load Analysis in "Catalog 300—Ball & Roller Bearings". 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
KD series, type A
KD series, type C
Thin section bearing selector
Reali-Slim® open & sealed bearings part number codes
Reali-Design® engineering software

Related downloads
Catalog 300: open bearings (Adobe PDF)
Catalog 300: all pages (Adobe PDF)
Precision tolerances and recommended fits (Adobe PDF)

Adobe Acrobat Reader

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Snap-over separator
1/4" balls

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

3F = 0.060
Bearing corners are
normally chamfered

 
 

 
 

 

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