61800 Series Radial Ball Bearings – Extra Thin Section Metric

2RS

Extra thin section bearings in metric sizes
Grooved raceways sustain moderate axial loads in both directions and radial loads
Balls separated by steel cages for high-speed operation
Constructed from high-quality SAE-52100 chromium bearing steel
Available as sealed (2RS), shielded (ZZ) or open

Specifications:
ABT Bearing No.	61801 2RS PRX
Bore diameter (d)	12 mm
Outer diameter (D)	21 mm
Width (B)	5 mm
Basic Load Rating
Dynamic	430 lbs
Static	220 lbs
Speed Rating
Grease	20000 RPM
Oil	22000 RPM
Weight	0.014 lbs
ABEC Rating	ABEC 1
Grease	Mobil Polyrex EM, 30-40% free volume fill
Radial Internal Clearance (C0)	0.003 to 0.018 mm (0.0001 to 0.0007 inch)
Tolerance
Inner Ring (d)	+0 to -0.008 mm (+0 to -0.0003 inch)
Outer Ring (D)	+0 to -0.009 mm (+0 to -0.0004 inch)
Width (W)	+0 to -0.12 mm (+0 to -0.0047 inch)