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Kaydon Endurakote®-plated bearings

NB series
Type C – radial contact

A Conrad assembled bearing designed primarily for application of radial load—deep ball grooves also permit application of some thrust load in either direction—often used in conjunction with another bearing.

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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		 Dynamic Static2
Kaydon
radial		 ISO
radial3		 Radial
NB020CP0 2.0000 2.6252 2.231 2.393 577 1,431 930 0.160
NB025CP0 2.5000 3.1252 2.731 2.893 644 1,549 1,140 0.200
NB030CP0 3.0000 3.6252 3.231 3.393 707 1,651 1,340 0.240
NB035CP0 3.5000 4.1252 3.731 3.893 767 1,743 1,540 0.270
NB040CP0 3.9998 4.6253 4.231 4.393 825 1,827 1,750 0.300
NB042CP0 4.2498 4.8753 4.481 4.643 846 1,853 1,830 0.310
NB045CP0 4.4998 5.1253 4.731 4.893 880 1,904 1,950 0.330
NB047CP0 4.7498 5.3753 4.981 5.143 901 1,928 2,030 0.340
NB050CP0 4.9998 5.6253 5.231 5.393 933 1,976 2,150 0.380
NB055CP0 5.4998 6.1253 5.731 5.893 984 2,044 2,360 0.410
NB060CP0 5.9998 6.6253 6.231 6.393 1,034 2,108 2,560 0.440
NB065CP0 6.4998 7.1253 6.731 6.893 1,082 2,168 2,760 0.470
NB070CP0 6.9998 7.6253 7.231 7.393 1,129 2,226 2,970 0.500
NB075CP0 7.4998 8.1253 7.731 7.893 1,175 2,281 3,170 0.530
NB080CP0 7.9998 8.6253 8.231 8.393 1,219 2,334 3,370 0.570
NB090CP0 8.9998 9.6253 9.231 9.393 1,304 2,434 3,780 0.660
NB100CP0 9.9998 10.6253 10.231 10.393 1,386 2,527 4,190 0.730
NB110CP0 10.9998 11.6253 11.231 11.393 1,464 2,615 4,590 0.750
NB120CP0 11.9998 12.6253 12.231 12.393 1,539 2,698 5,000 0.830
NB140CP0 13.9998 14.6253 14.231 14.393 1,680 2,851 5,810 1.050
NB160CP0 15.9998 16.6253 16.231 16.393 1,812 2,991 6,620 1.200
NB180CP0 17.9998 18.6253 18.231 18.393 1,936 3,121 7,440 1.350
NB200CP0 19.9998 20.6253 20.231 20.393 2,053 3,242 8,250 1.50
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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
NB series, type A
NB series, type X
Thin section bearing selector
Endurakote®-plated 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

NB series, type C - radial contact, bearing profile

4F = 0.040
Bearing corners are
normally chamfered