{"@context":"https://schema.org","@type":"Product","name":"Koyo K75X81X20F","mpn":"K75X81X20F","brand":{"@type":"Brand","name":"Koyo"},"category":"Needle roller bearing","url":"https://www.bearinglookup.com/parts/koyo/k75x81x20f/","description":"Koyo K75X81X20F — needle roller bearing (bearings)","status":"unknown","specifications":[{"key":"dynamic_load_rating_cr_kn","label":"Basic dynamic load rating Cr","value":"37.4","unit":"kN","status":"verified"},{"key":"ew_mm","label":"Roller outside diameter Ew","value":"81","unit":"mm","status":"verified"},{"key":"fw_mm","label":"Roller bore diameter Fw","value":"75","unit":"mm","status":"verified"},{"key":"limiting_speed_grease","label":"Limiting speed, grease lubrication","value":"3600","unit":"min-1","status":"verified"},{"key":"limiting_speed_oil","label":"Limiting speed, oil lubrication","value":"5500","unit":"min-1","status":"verified"},{"key":"mass_kg","label":"Mass","value":"0.075","unit":"kg","status":"verified"},{"key":"product_type","label":"Product type","value":"Radial needle roller and cage assemblies, metric series","unit":null,"status":"verified"},{"key":"shaft_diameter_mm","label":"Shaft diameter","value":"75","unit":"mm","status":"verified"},{"key":"static_load_rating_c0r_kn","label":"Basic static load rating C0r","value":"90.7","unit":"kN","status":"verified"},{"key":"width_mm","label":"Width","value":"20","unit":"mm","status":"verified"}],"fits":[],"cross_references":[],"sources":[{"title":"Koyo Ball & Roller Bearings catalog B2001E-6 — Standard Bearings section (B2001E-6b)","url":"https://documents-jtekt-prod.s3.amazonaws.com/filer_public/45/e9/45e987e0-e087-491e-8fd2-318dbe735a2f/b2001e-6b_ball_and_roller_bearing_catalog_-_standard_bearings_section.pdf","publisher":"Koyo","kind":"catalog_page","locator":"p199","supports":"spec"}],"offers":[],"evidence_labels":{"verified":"stated by the manufacturer's own published cross-reference or catalogue","single_source":"stated by one publisher, not corroborated","candidate":"asserted by a seller listing only"},"generated":"2026-09-27","site":"BearingLookup"}