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TK Series Custom & Special Bearings — Sizes & Specifications

8 models in the TK series, 31–56 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)
TK31FANDGE3157.4—
TK34Z-2ANDGE34.94271.6Cross-ref →
TK40-1BANDGE4067.0518.45—
TK40-16AANDGE407020—
TK40-4AANDGE4074.519—
TK45-4BANDGE4573.6Cross-ref →
TK52Z-1BANDGE52.49420—
TK70-1A1U3-ZANDGE5652.5—

About the TK series

TK 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 Custom & Special Bearings series: 62 · 685 · 63 · 60 · SNV · K · BND · 697