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Kaydon Reali-Slim MM® metric bearings

8 mm 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 mm Capacities1 Limiting
speeds
(RPM)*		 Torque
max.
no load
(N-m)3		 Approx.
weight
(kg)
Bore Outside
dia.		 Land
dia.
L1		 Land
dia.
L2		 Dynamic Static2
Radial
(N)		 Thrust
(N)		 Moment
(N-m)		 Radial
(N)		 Thrust
(N)		 Moment
(N-m)
J02508XP0 25 41 31.55 34.42 3246 4599 40 3275 7433 49 3000 0.02 0.06
J05008XP0 50 66 56.55 59.42 4511 6531 98 5443 13621 158 1500 0.04 0.08
J06008XP0 60 76 66.55 69.42 4962 7306 127 6433 16093 219 1270 0.05 0.09
J07008XP0 70 86 76.55 79.42 5384 8032 158 7424 18574 290 1090 0.07 0.10
J08008XP0 80 96 86.55 89.42 5796 8728 191 8424 21045 370 950 0.09 0.11
J09008XP0 90 106 96.55 99.42 6188 9405 228 9405 23526 461 700 0.12 0.13
J10008XP0 100 116 106.55 109.42 6570 10052 266 10395 25997 562 630 0.15 0.14
J11008XP0 110 126 116.55 119.42 6933 10689 307 11395 28469 672 580 0.18 0.15
J12008XP0 120 136 126.55 129.42 7286 11297 350 12376 30950 792 530 0.22 0.16
J13008XP0 130 146 136.55 139.42 7630 11886 395 13366 33431 923 490 0.26 0.18
J14008XP0 140 156 146.55 149.42 7963 12464 442 14367 35902 1063 450 0.30 0.19
J15008XP0 150 166 156.55 159.42 8296 13033 492 15347 38383 1213 420 0.35 0.20
J16008XP0 160 176 166.55 169.42 8610 13592 543 16338 40855 1373 400 0.40 0.20
J17008XP0 170 186 176.55 179.42 8924 14131 596 17328 43326 1543 370 0.46 0.20
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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
8 mm series (double sealed), type C
Thin section bearing selector
Reali-Slim MM® metric 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

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

4F = 0.8
Bearing corners are
normally chamfered