Mariner SUC Bearing Insert - 40mm Bore, Set Screw, Stainless Steel T5US What is the temperature rating

What is the temperature rating of 17/5V1400

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so a 1230M8 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

0" length with the A cross section and fits the same sheaves — combination-branded belts carry both numbers (A50 / 4L520)

Mariner SUC Bearing Insert - 40mm Bore, Set Screw, Stainless Steel T5US What is the temperature ratingThe Mariner SUC208 is a stainless steel ball bearing insert with a 40mm bore and set screw shaft locking mechanism. Manufactured with AISI 440C stainless steel races and balls for superior corrosion resistance. Pre lubricated with food grade grease and sealed with food grade silicone seals. Designed for use in all Mariner stainless steel housings. Specifications Bore Size 40mm Shaft Attachment Set Screw Series 208 Seal Type Silicone Seal with Flinger