Plummer Blocks PLUMMER BLOCKS - NTN Global
Plummer Block and Rolling Bearing Tolerances 3. Plummer Block and Rolling Bearing Tolerances 3.1 Plummer block tolerances The tolerances of NTN split plummer blocks meet JIS B 1551, and those of unit type plummer blocks with Japan Bearing Industrial Association standard BAS 188. The tolerances of both types are given in the tables below.
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