MRC Bearings - 300-R Series Precision Ball Bearings (ABEC5 & ABEC7)

Unit of Measure

Items	300R 300-R Series Precision Ball Bearings (ABEC5 & ABEC7)	301R 300-R Series Precision Ball Bearings (ABEC5 & ABEC7)	302R 300-R Series Precision Ball Bearings (ABEC5 & ABEC7)	303R 300-R Series Precision Ball Bearings (ABEC5 & ABEC7)	304R 300-R Series Precision Ball Bearings (ABEC5 & ABEC7)
Bore d	N/A 10.000 mm	N/A 12.000 mm	N/A 15.000 mm	N/A 17.000 mm	N/A 20.000 mm
Outside Diameter D1	N/A 35.0000 mm	N/A 37.0000 mm	N/A 42.0000 mm	N/A 47.0000 mm	N/A 52.0000 mm
Width B	N/A 11.00 mm	N/A 12.00 mm	N/A 13.00 mm	N/A 14.00 mm	N/A 15.00 mm
Fillet Radius ra	N/A 1.00 mm
Fillet Radius rb	N/A 0.60 mm
Grease Speed Rating n1	N/A 46000 rpm	N/A 44000 rpm	N/A 39000 rpm	N/A 37000 rpm	N/A 30000 rpm
Oil Speed Rating n2	N/A 73000 rpm	N/A 67000 rpm	N/A 56000 rpm	N/A 53000 rpm	N/A 45000 rpm
Basic Dynamic Radial Load Rating C	N/A 10500 N	N/A 10600 N	N/A 12100 N	N/A 14800 N	N/A 20300 N
Basic Static Radial Load Rating Co	N/A 4550 N	N/A 4900 N	N/A 6550 N	N/A 8150 N	N/A 11400 N