55 mm x 100 mm x 21 mm INA BXRE211-2RSR INA Bearing

INA Bearing offers 20.5 mm B a 55 mm x 100 mm x 21 mm INA BXRE211-2RSR INA Bearing selection of Genuine INA Bearing at Wholesale Prices. We are a 55 mm x 100 mm x 21 mm INA BXRE211-2RSR INA Bearing 55 mm x 100 mm x 21 mm Certified AD Bearing Machine Co., Ltd Parts Retailer 0.036 kg Mass inner ring

What is BXRE211-2RSR bearing cross reference？