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PFD Series Ball Bearing Units — Sizes & Specifications

98 models in the PFD series, 12–40 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)
PFD 1.5/16 FMSKF—
PFD 1.5/16 WFSKF—
PFD 12 TFSKF1217.9—
PFD 1/2 FMSKF12.724.1—
PFD 1/2 RMSKF12.717.9—
PFD 1/2 TFSKF12.7—
PFD 1/2 WFSKF12.725.4—
PFD 15 FMSKF1524.1—
PFD 15 TFSKF1517.9—
PFD 5/8 FMSKF15.87524.1—
PFD 5/8 RMSKF15.87517.9—
PFD 5/8 TFSKF15.87517.9—
PFD 5/8 WFSKF15.87525.4—
PFD 17 FMSKF1724.1—
PFD 17 RMSKF1717.9—
PFD 17 TFSKF1717.9—
PFD 3/4 FMSKF19.0525.5—
PFD 3/4 RMSKF19.0520.3—
PFD 3/4 TFSKF19.0520.3—
PFD 3/4 TRSKF19.0520.3—
PFD 3/4 WFSKF19.0528.6—
PFD 20 FMSKF2025.5—
PFD 20 RMSKF2020.3—
PFD 20 TFSKF2020.3—
PFD 20 TRSKF2020.3—
PFD 20 WFSKF2028.6—
PFD 13/16 FMSKF20.63725.5—
PFD 13/16 TFSKF20.63721.8—
PFD 13/16 WFSKF20.63728.9—
PFD 7/8 FMSKF22.22525.5—
PFD 7/8 RMSKF22.22521.8—
PFD 7/8 TFSKF22.22521.8—
PFD 7/8 WFSKF22.22528.9—
PFD 15/16 FMSKF23.81325.5—
PFD 15/16 RMSKF23.81321.8—
PFD 15/16 TFSKF23.81321.8—
PFD 15/16 WFSKF23.81328.9—
PFD 25 FMSKF2525.5—
PFD 25 RMSKF2521.5—
PFD 25 TFSKF2521.8—
PFD 25 TRSKF2521.8—
PFD 25 WFSKF2528.9—
PFD 1. FMSKF25.425.5—
PFD 1. RMSKF25.421.8—
PFD 1. TFSKF25.421.8—
PFD 1. TRSKF25.421.8—
PFD 1. WFSKF25.428.9—
PFD 1.1/16 FMSKF26.98829.2—
PFD 1.1/16 TFSKF26.98824.7—
PFD 1.1/16 WFSKF26.988—
PFD 1.1/8 FMSKF28.57529.2—
PFD 1.1/8 RMSKF28.57524.7—
PFD 1.1/8 TFSKF28.57524.7—
PFD 1.1/8 WFSKF28.575—
PFD 30 FMSKF3029.2—
PFD 30 RMSKF3023.5—
PFD 30 TFSKF3024.7—
PFD 30 TRSKF3024.7—
PFD 30 WFSKF30—
PFD 1.3/16 FMSKF30.163—
PFD 1.3/16 RMSKF30.16324.7—
PFD 1.3/16 TFSKF30.163—
PFD 1.3/16 WFSKF30.163—
PFD 1.1/4 AFMSKF31.7529.2—
PFD 1.1/4 ARMSKF31.7524.7—
PFD 1.1/4 ATFSKF31.7524.7—
PFD 1.1/4 AWFSKF31.75—
PFD 1.1/4 FMSKF31.7531.9—
PFD 1.1/4 RMSKF31.7527.9—
PFD 1.1/4 TFSKF31.7527.9—
PFD 1.1/4 TRSKF31.7527.9—
PFD 1.1/4 WFSKF31.75—
PFD 1.5/16 TFSKF33.337—
PFD 1.3/8 FMSKF34.92531.9—
PFD 1.3/8 RMSKF34.92527.9—
PFD 1.3/8 TFSKF34.92527.9—
PFD 1.3/8 WFSKF34.925—
PFD 35 FMSKF3531.9—
PFD 35 RMSKF3525.8—
PFD 35 TFSKF3527.9—
PFD 35 TRSKF3527.9—
PFD 35 WFSKF35—
PFD 1.7/16 ARMSKF36.51327.9—
PFD 1.7/16 ATFSKF36.51327.9—
PFD 1.7/16 FMSKF36.51331.9—
PFD 1.7/16 TFSKF36.51333.7—
PFD 1.7/16 WFSKF36.513—
PFD 1.1/2 FMSKF38.136.2—
PFD 1.1/2 RMSKF38.132.1—
PFD 1.1/2 TFSKF38.133.7—
PFD 1.1/2 TRSKF38.133.7—
PFD 1.1/2 WFSKF38.138.4—
PFD 1.9/16 TFSKF39.68830.2—
PFD 40 FMSKF4036.2—
PFD 40 RMSKF4028.8—
PFD 40 TFSKF4033.7—
PFD 40 TRSKF4033.7—
PFD 40 WFSKF4038.4—

About the PFD series

PFD 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