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spacer Kaydon Bearings - Endurakote-plated bearings
Kaydon Bearings - NF 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)
NF040XP0 3.9998 5.5003 4.555 4.945 4,665 6,830 8,312 5,360 13,400 12,730 1.900
NF042XP0 4.2498 5.7503 4.805 5.195 4,795 7,070 8,993 5,640 14,110 14,110 2.000
NF045XP0 4.4998 6.0003 5.055 5.445 4,923 7,300 9,695 5,930 14,810 15,550 2.100
NF047XP0 4.7498 6.2503 5.305 5.695 5,048 7,530 10,416 6,210 15,520 17,070 2.200
NF050XP0 4.9998 6.5003 5.555 5.945 5,172 7,760 11,157 6,490 16,220 18,660 2.300
NF055XP0 5.4998 7.0003 6.055 6.445 5,415 8,200 12,696 7,050 17,630 22,040 2.500
NF060XP0 5.9998 7.5003 6.555 6.945 5,651 8,630 14,311 7,620 19,050 25,710 2.700
NF065XP0 6.4998 8.0003 7.055 7.445 5,880 9,050 15,993 8,180 20,460 29,660 2.900
NF070XP0 6.9998 8.5003 7.555 7.945 6,103 9,460 17,744 8,750 21,870 33,890 3.200
NF075XP0 7.4998 9.0003 8.055 8.445 6,323 9,870 19,568 9,310 23,280 38,410 3.400
NF080XP0 7.9998 9.5003 8.555 8.945 6,535 10,260 21,453 9,880 24,690 43,200 3.500
NF090XP0 8.9998 10.5003 9.555 9.945 6,947 11,030 25,410 11,000 27,510 53,640 3.900
NF100XP0 9.9998 11.5003 10.555 10.945 7,342 11,770 29,608 12,130 30,330 65,210 4.300
NF110XP0 10.9998 12.5003 11.555 11.945 7,721 12,490 34,032 13,260 33,150 77,910 4.800
NF120XP0 11.9998 13.5003 12.555 12.945 8,084 13,190 38,666 14,390 35,970 91,730 5.200
NF140XP0 13.9998 15.5003 14.555 14.945 8,775 14,530 48,556 16,650 41,620 122,800 6.000
NF160XP0 15.9998 17.5003 16.555 16.945 9,421 15,820 59,200 18,900 47,260 158,300 7.100
NF180XP0 17.9998 19.5003 18.555 18.945 10,028 17,060 70,537 21,160 52,900 198,400 7.900
NF200XP0 19.9998 21.5003 20.555 20.945 10,602 18,250 82,528 23,420 58,550 243,000 8.900
NF250XP0 24.9998 26.5003 25.555 25.945 11,909 21,070 115,037 29,060 72,650 374,200 10.900
NF300XP0 29.9998 31.5003 30.555 30.945 13,065 23,720 150,708 34,700 86,760 533,600 13.000
NF350XP0 34.9998 36.5003 35.555 35.945 14,100 26,220 189,106 40,350 100,900 721,200 15.100
NF400XP0 39.9998 41.5003 40.555 40.945 15,034 28,620 229,832 45,990 115,000 937,100 17.200
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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
NF series, type A
NF series, type C
Thin section bearing selector
Endurakote®-plated bearings part number codes
Reali-Design® engineering software

Related downloads
Catalog 300: Endurakote®-plated 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
3/8" balls

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

3F = 0.080
Bearing corners are
normally chamfered

 
 

 
 

 

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