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FYJ Series Ball Bearing Units — Sizes & Specifications

32 models in the FYJ series, 19.05–100 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)
FYJ 25 KFSKF19.0536—
FYJ 3/4 TFSKF19.05—
FYJ 20 TFSKF20—
FYJ 30 KFSKF23.81240—
FYJ 25 TFSKF2535.8—
FYJ 1. TFSKF25.435.8—
FYJ 30 TFSKF3040.2—
FYJ 35 KFSKF3043.3—
FYJ 1.1/4 TFSKF31.7544.4—
FYJ 40 KFSKF31.7548—
FYJ 35 TFSKF3544.4—
FYJ 45 KFSKF36.51250.5—
FYJ 1.1/2 TFSKF38.151.2—
FYJ 40 TFSKF4051.2—
FYJ 50 KFSKF41.27552.5—
FYJ 1.3/4 TFSKF44.4552.2—
FYJ 45 TFSKF4552.2—
FYJ 55 KFSKF49.21257.5—
FYJ 50 TFSKF5054.6—
FYJ 2. TFSKF50.858.4—
FYJ 60 KFSKF53.97563.3—
FYJ 55 TFSKF5558.4—
FYJ 65 KFSKF55.56265.8—
FYJ 60 TFSKF6068.7—
FYJ 2.1/2 TFSKF63.572.9—
FYJ 65 TFSKF6572.9—
FYJ 70 TFSKF7070.7—
FYJ 75 TFSKF7580.1—
FYJ 80 TFSKF8081.7—
FYJ 85 TFSKF8586.8—
FYJ 90 TFSKF9094—
FYJ 100 TFSKF100107.5—

About the FYJ series

FYJ 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