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Kaydon Reali-Slim® sealed bearings

JA series (double sealed)
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 Limiting
speeds
(RPM)*
Torque
max.
no load
(in-oz)3
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)
JA020XP0 2.000 2.500 2.148 2.356 514 790 434 680 1,710 770 1,500 6 0.10
JA025XP0 2.500 3.000 2.648 2.856 583 910 601 830 2,090 1,150 1,200 8 0.12
JA030XP0 3.000 3.500 3.148 3.356 643 1,010 785 990 2,470 1,600 830 12 0.14
JA035XP0 3.500 4.000 3.648 3.856 701 1,110 986 1,140 2,850 2,130 710 16 0.17
JA040XP0 4.000 4.500 4.148 4.356 756 1,210 1,205 1,290 3,220 2,740 620 20 0.19
JA042XP0 4.250 4.750 4.398 4.606 783 1,260 1,321 1,370 3,410 3,070 580 24 0.20
JA045XP0 4.500 5.000 4.648 4.856 809 1,310 1,441 1,440 3,600 3,420 550 28 0.21
JA047XP0 4.750 5.250 4.898 5.106 834 1,350 1,565 1,520 3,790 3,790 520 32 0.22
JA050XP0 5.000 5.500 5.148 5.356 859 1,400 1,693 1,590 3,980 4,180 500 36 0.23
JA055XP0 5.500 6.000 5.648 5.856 908 1,480 1,959 1,750 4,360 5,020 450 44 0.25
JA060XP0 6.000 6.500 6.148 6.356 955 1,570 2,240 1,900 4,740 5,930 330 52 0.28
JA065XP0 6.500 7.000 6.648 6.856 1,001 1,650 2,535 2,050 5,120 6,910 300 61 0.30
JA070XP0 7.000 7.500 7.148 7.356 1,046 1,730 2,844 2,200 5,500 7,980 280 70 0.31
JA075XP0 7.500 8.000 7.648 7.856 1,089 1,810 3,165 2,350 5,880 9,120 260 80 0.34
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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 Torque figures shown are for single bearings with standard lubricant at room temperature and under 5 pounds thrust load.
4 "F" is the maximum shaft or housing fillet radius the bearing corners will clear.
* Values apply to bearings loaded up to 20% of their dynamic capacity.
 
Sealed series bearings are supplied with general purpose grease, satisfactory for operating temperatures of -65°F to +250°F (-54°C to +121°C). Other lubricants are available on special order.

 
Related pages
JA series (double sealed), 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
1/8" balls

JA series (double sealed), type X - four point contact, bearing profile

4F = 0.025
Bearing corners are
normally chamfered