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RB Series Ball Bearing Units — Sizes & Specifications

71 models in the RB series, 1.587–90 mm bore. Every row links to the full specification page and to the cross-reference page of that model.

ModelBrandBore d (mm)OD D (mm)Width B (mm)
RB201FYH4731Cross-ref →
RB201-8FYH4731—
RB202FYH4731Cross-ref →
RB202-10FYH4731—
RB203FYH4731Cross-ref →
RB204FYH4731Cross-ref →
RB204-12FYH4731—
RB205FYH5234.1Cross-ref →
RB205-14FYH5234.1Cross-ref →
RB205-16FYH5234.1Cross-ref →
RB206FYH6238.1Cross-ref →
RB206-18FYH6238.1Cross-ref →
RB207FYH7242.9Cross-ref →
RB207-20FYH7242.9—
RB207-22FYH7242.9Cross-ref →
RB208FYH8049.2Cross-ref →
RB208-24FYH8049.2Cross-ref →
RB210-31ANDGE1.5879051.6Cross-ref →
RB209-28ANDGE6.358549.2Cross-ref →
RB209-27ANDGE7.9388549.2Cross-ref →
RB208-25ANDGE11.1138049.2Cross-ref →
RB201ANDGE124731Cross-ref →
RB201-8ANDGE12.74731—
RB207-23ANDGE14.2877242.9—
RB202-9ANDGE14.2884731—
RB202ANDGE154027.4Cross-ref →
RB202-10ANDGE15.8754027.4—
RB207-22ANDGE15.8757242.9Cross-ref →
RB203ANDGE174027.4Cross-ref →
RB203-11ANDGE17.4624027.4—
RB207-21ANDGE17.4627242.9Cross-ref →
RB204-12ANDGE19.054731—
RB206-20ANDGE19.056238.1—
RB204ANDGE204731Cross-ref →
RB206-19ANDGE20.6376238.1—
RB205-14ANDGE22.2255234Cross-ref →
RB205-15ANDGE23.8125234Cross-ref →
RB205ANDGE255234Cross-ref →
RB205-16ANDGE25.45234Cross-ref →
RB206-18ANDGE28.5756238.1Cross-ref →
RB206ANDGE306238.1Cross-ref →
RB207-20ANDGE31.757242.9—
RB207ANDGE357242.9Cross-ref →
RB208-24ANDGE38.18049.2Cross-ref →
RB212-39ANDGE39.68811065.1Cross-ref →
RB208ANDGE408049.2Cross-ref →
RB209-26ANDGE41.2758549.2—
RB212-38ANDGE41.27511065.1Cross-ref →
RB209ANDGE458549.2Cross-ref →
RB211-35ANDGE46.03810055.6Cross-ref →
RB210-30ANDGE47.6259051.6—
RB211-34ANDGE47.62510055.6Cross-ref →
RB210ANDGE509051.6Cross-ref →
RB210-32ANDGE50.89051.6—
RB211-32ANDGE50.810055.6—
RB211ANDGE5510055.6Cross-ref →
RB212-36ANDGE57.1511065.1—
RB212ANDGE6011065.1Cross-ref →
RB213-40ANDGE63.512065.1—
RB213ANDGE6512065.1—
RB213-43ANDGE68.26212065.1—
RB214-44ANDGE69.8512574.6—
RB215-44ANDGE69.8513077.8—
RB214ANDGE7012574.6—
RB215ANDGE7513077.8—
RB215-48ANDGE76.213077.8—
RB216ANDGE8014082.6—
RB217-52ANDGE82.5515085.7—
RB217ANDGE8515085.7—
RB218-56ANDGE88.916096—
RB218ANDGE9016096—

About the RB series

RB series bearings follow the ISO dimension plan for this family, so a given number is dimensionally interchangeable between brands - see the cross-reference to confirm. Choose the suffix for your duty: shields for dry, clean positions, contact seals for wet or dusty ones, and a larger clearance class where the fit or temperature demands it.

Other Ball Bearing Units series: E · NAU · LSE · UC · SNV · MSE · SD · SNT