55 mm x 120 mm x 43 mm ISB 22311 K spherical roller bearings

We Provide Lamar parts manufacturing company Extensive 55 mm x 120 mm x 43 mm 55 mm x 120 mm x 43 mm ISB 22311 K spherical roller bearings Selection And Exceptional Bearing typical application: Competitive Wholesale Pricing. Ambient pressure tolerance:

What is 22311 K bearing cross reference？