MRC Bearings - 1900-R Series Precision Ball Bearings (ABEC5 & ABEC7)

Unit of Measure

Items	1900R 1900-R Series Precision Ball Bearings (ABEC5 & ABEC7)	1901R 1900-R Series Precision Ball Bearings (ABEC5 & ABEC7)	1902R 1900-R Series Precision Ball Bearings (ABEC5 & ABEC7)	1903R 1900-R Series Precision Ball Bearings (ABEC5 & ABEC7)	1904R 1900-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 22.0000 mm	N/A 24.0000 mm	N/A 28.0000 mm	N/A 30.0000 mm	N/A 37.0000 mm
Width B	N/A 6.00 mm	N/A 6.00 mm	N/A 7.00 mm	N/A 7.00 mm	N/A 9.00 mm
Fillet Radius ra	N/A 0.30 mm
Fillet Radius rb	N/A 0.10 mm	N/A 0.10 mm	N/A 0.10 mm	N/A 0.10 mm	N/A 0.15 mm
Grease Speed Rating n1	N/A 76000 rpm	N/A 69000 rpm	N/A 55000 rpm	N/A 51000 rpm	N/A 41000 rpm
Oil Speed Rating n2	N/A 110000 rpm	N/A 100000 rpm	N/A 84000 rpm	N/A 78000 rpm	N/A 62000 rpm
Basic Dynamic Radial Load Rating C	N/A 3120 N	N/A 3250 N	N/A 4800 N	N/A 5400 N	N/A 9360 N
Basic Static Radial Load Rating Co	N/A 1560 N	N/A 1800 N	N/A 2700 N	N/A 3000 N	N/A 5850 N