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XSI Series Internally Geared Cross Roller Bearings

XSI14 is an internally geared reference family for crossed roller slewing arrangements. Check the space for the internal pinion and fastening tools together with the bearing envelope. The dimension symbols in the table must be read against the matching drawing.

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Selecting XSI bearings

XSI14 is an internally geared reference family for crossed roller slewing arrangements. Check the space for the internal pinion and fastening tools together with the bearing envelope. The dimension symbols in the table must be read against the matching drawing.

  • Internal gear dimensions and pinion-clearance envelope
  • Pilot diameters, mounting-hole pattern and axial height
  • Load case, bolted connection, lubrication and preload specification

Compare externally geared XSA and gearless XSU when selecting the drive layout. Their installation details are not interchangeable merely because they share a size family. Compare the related series.

Individual model pages are being added. Use the series table or send the complete model number and drawing for review.

XSI series tables

Read all dimensions against the matching drawing. Blank values mean unspecified, not zero. Reference numbers do not establish full interchangeability.

Existing XSI dimensional and gear data — blank legacy columns removed
ModelMass (kg)Da (mm)di (mm)Di (mm)da (mm)La (mm)Li (mm)ni/na (holes)Preload (mm)A (mm)B (mm)C (mm)D (mm)Pitch diameter d0 (mm)Module m (mm)Teeth z
XSI140414N31484325415411460375240.01-0.030.040.040.060.06335567
XSI140544N43614444545541590505320.01-0.030.040.040.070.07456676
XSI140644N50714546645641690605360.01-0.040.050.050.080.08558693
XSI140744N58814648745741790705400.01-0.040.050.050.090.086606110
XSI140844N69914736845841890805400.01-0.040.060.060.090.09752894
XSI140944N761014840945941990905440.01-0.050.060.060.110.098568107
XSI141094N9111649841095109111401055480.01-0.050.070.070.110.1110008125

Reference illustrations

XSI bearing reference illustration

Drawing and reference information

A/B/C/D and gear symbols are drawing-dependent. Unclear or blank legacy table entries require drawing confirmation and must not be interpreted as zero.

Technical reference: Schaeffler slewing ring catalogue 404. Brand names identify reference families only. Supplied LYDL dimensions, tolerances, load ratings and acceptance requirements are defined by the drawing and quotation agreed for the order.

Request a drawing or quote with the complete model, quantity, loads, speed, duty cycle and mounting requirements.