Mechanical Gear Ring Roller Slewing Ring Bearings for Turntable

Crane Slew Ring offers a 9500 rpm Oil Speed Rating n2 Mechanical Gear Ring Roller Slewing Ring Bearings for Turntable selection of Genuine Crane Slew Ring at 30300 N Basic Dynamic Radial Load Rating C Wholesale Prices. We are a Mechanical Gear Ring Roller Slewing Ring Bearings for Turntable TFI Bearing Co.,Ltd Certified 1.00 mm Fillet Radius ra Parts Retailer

What is bearing cross reference？