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8

Superprecision Ball Bearings

H, R, J, P† internal fit

  • P fit is standard in Conrad Bearings

Contact Angle: 2 = 153 = 25

Construction: K Conrad WI angular contact; low shoulder on outer ring WO angular contact; low shoulder on inner ring WN angular contact; low shoulder on both rings HX angular contact; low shoulder on both rings

Level of Precision: MM superprecision • ABEC-7 (ISO P4) MMV super high precision (HG) between ABEC-7 (ISO P4) and ABEC-9 (ISO P2) MMX ultraprecision • ABEC-9 (ISO P2)

Retainer: No retainer callout implies Fafnir PRC PRB molded nylon cage PRC molded reinforced nylon cage CR phenolic (composition) – Fafnir standard

2

MM C 91 04 WI CR DUL A3188

Series:

9300

ultra light

9100

extra light

99100

extra light

200

light

300

medium

Hybrid Ceramic

Bore Size: (04 and up, multiply these last two numbers by 5 to get bore in millimeters:) 00 10mm 01 12mm 02 15mm 03 17mm 04 20mm

Preload: Universal Flush Ground

*SUX *SUL *SUM *SUH DUX DUL DUM DUH TUX TUL TUM TUH QUX QUL QUM QUH

single bearing, extra light single bearing, light single bearing, medium single bearing, heavy duplex pairs of bearings, extra light duplex pairs of bearings, light duplex pairs of bearings, medium duplex pairs of bearings, heavy triplex set of bearings, extra light triplex set of bearings, light triplex set of bearings, medium triplex set of bearings, heavy quadruplex set of bearings, extra light quadruplex set of bearings, light quadruplex set of bearings, medium quadruplex set of bearings, heavy

an example of a specif- ication number for other than standard

  • *

    if "u" is first letter here, assume single

102800

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