MRC Bearings - High Precision Bearings for Ex-Cell-O Spindles

Unit of Measure

Items	XO-20-RBDS High Precision Bearings for Ex-Cell-O Spindles	XO-20-RBDS High Precision Bearings for Ex-Cell-O Spindles	XO-30-RBDS High Precision Bearings for Ex-Cell-O Spindles	XO-30-RBDS High Precision Bearings for Ex-Cell-O Spindles	XO-30-RBDS High Precision Bearings for Ex-Cell-O Spindles
X-L-O Part Number	N/A 20-27	N/A 20-107	N/A 30-17	N/A 30-27	N/A 30-57
Bore d	N/A 9.530 mm	N/A 9.530 mm	N/A 15.880 mm	N/A 15.880 mm	N/A 15.880 mm
Outside Diameter D1	N/A 28.5800 mm	N/A 28.5800 mm	N/A 38.1000 mm	N/A 38.1000 mm	N/A 38.1000 mm
Width B	N/A 19.00 mm	N/A 19.00 mm	N/A 25.40 mm	N/A 25.40 mm	N/A 25.40 mm
Fillet Radius ra	N/A 0.60 mm	N/A 0.60 mm	N/A 1.00 mm	N/A 1.00 mm	N/A 1.00 mm
Keyway e	N/A 9.9 mm	N/A 9.9 mm	N/A 16.4 mm	N/A 16.4 mm	N/A 16.4 mm
Keyway f	N/A 1.6 mm
Preload	N/A 10 lb	N/A 0 lb	N/A 40 lb	N/A 30 lb	N/A 16 lb
Grease Speed Rating Max. n1	N/A 35000 rpm	N/A 40000 rpm	N/A 6000 rpm	N/A 10000 rpm	N/A 27000 rpm
Oil Speed Rating Max. n2	N/A 45000 rpm	N/A 65000 rpm	N/A 9000 rpm	N/A 12500 rpm	N/A 30000 rpm
Oil Mist Speed Rating Max. n3	N/A 60000 rpm	N/A 80000 rpm	N/A 12000 rpm	N/A 18000 rpm	N/A 35000 rpm