"R" Series Miniature Ball Bearings - Inch

Miniature/instrumentation style ball bearings in inch sizes
Ideal for light-duty applications
Available as sealed (2RS), shielded (ZZ) and open (open bearings have narrower width).
Many can be supplied with a snap ring (NR suffix)

Specifications:
ABT Bearing No.	R12 ZZ PRX
Bore diameter (d)	0.7500 in
Outer diameter (D)	1.625 in
Width (B)	0.4375 in
Basic Load Rating
Dynamic	1770 lbs
Static	1020 lbs
Speed Rating
Grease	16000 RPM
Oil	19000 RPM
Weight	0.100 lbs
ABEC Rating	ABEC 1
Grease	Mobil Polyrex EM, 30-40% free volume fill
Radial Internal Clearance (C0)	0.0002 to 0.0008 inch (0.005 to 0.02 mm)
Tolerance
Inner Ring (d)	+0 to -0.0003 inch (+0 to -0.008 mm)
Outer Ring (D)	+0 to -0.0004 inch (+0 to -0.01 mm)
Width (W)	+0 to -0.0047 inch (+0 to -0.12 mm)