QCB Precision Series

Precision Series

High precision crossed roller units

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The Precision Series is suitable for machine tools, indexing tables and welding turntables where the highest degree of precision and repeatability is required in operation.

  • Manufactured in 42CrMo4 alloy steel
  • Closely toleranced location diameters on both inner and outer rings
  • Precision ground raceways
  • Low axial and radial runout figures
  • Defined start-up torques
  • Each bearing certified

 

The Precision Series is imported to order, and only after a full technical evaulation of the requirements by QCB Technical.

Series dimensions

Outline dimensionsOuter holesInner holesAxial/Radial
Runout
Max speed
QCB referenceDaDiHTLanaLini
mmmmmmmmmmmicronrpm
SUN 210 01 P AA LM210902518712 Ø911212 Ø94235
SUN 240 01 P AA LM2401152821712 Ø913912 Ø95195
SUN 295 01 P AA LM2951603527012 Ø1118412 Ø116150
SUN 297 01 P AA LM2971833027512 Ø13.520512 Ø13.510145
SUN 297 02 UP AA LM2971833027512 Ø13.520512 Ø13.54145
SUN 380 01 P AA LM3802104035016 Ø13.524016 Ø13.58115
SUN 424 01 P AA LM4242804039618 Ø13.530818 Ø13.51595
SUN 424 02 UP AA LM4242804039618 Ø13.530818 Ø13.5695
SUN 527 01 P AA LM5273834050024 Ø13.541024 Ø13.51575
SUN 527 02 UP AA LM5273834050024 Ø13.541024 Ø13.5775
SUN 540 01 P AA LM5403504550524 Ø13.538524 Ø13.51275
SUN 622 01 P AA LM6224784059530 Ø13.550530 Ø13.52060
SUN 622 02 UP AA LM6224784059530 Ø13.550530 Ø13.5860
SUN 722 01 P AA LM7225784069536 Ø13.560536 Ø13.52050
SUN 722 02 UP AA LM7225784069536 Ø13.560536 Ø13.51050
SUN 814 01 P AA LM8146745679040 Ø13.569840 Ø13.52047
SUN 914 01 P AA LM9147745689040 Ø13.579840 Ø13.52541
SUN 1014 01 P AA LM10148745699044 Ø13.589844 Ø13.53037
SUN 1164 01 P AA LM1164102456114048 Ø13.5104848 Ø13.53032

 

Interchange information

QCB referenceROLLIX
SUN 210 01 P AA LM88 0148 00
SUN 240 01 P AA LM88 0178 00
SUN 295 01 P AA LM88 0288 00
SUN 297 01 P AA LM88 0240 00
SUN 297 02 UP AA LM88 0240 01
SUN 380 01 P AA LM88 0297 00
SUN 424 01 P AA LM88 0352 00
SUN 424 02 UP AA LM88 0352 01
SUN 527 01 P AA LM88 0455 00
SUN 527 02 UP AA LM88 0455 01
SUN 540 01 P AA LM88 0445 00
SUN 622 01 P AA LM88 0550 00
SUN 622 02 UP AA LM88 0550 01
SUN 722 01 P AA LM88 0650 00
SUN 722 02 UP AA LM88 0650 01
SUN 814 01 P AA LM88 0744 00
SUN 914 01 P AA LM88 0844 00
SUN 1014 01 P AA LM88 0944 00
SUN 1164 01 P AA LM88 1094 00

 

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