NSK RNU220

Specifications

Brand	NSK
Item Number	RNU220 NSK
Category	Cylindrical Roller Bearing Single Row

Weight and Dimensions

Inner (d) MM	120
Outer (D) MM	180
Width (B) MM	34
Inner (d) Inch	4.7244
Outer (D) Inch	7.0866
Width (B) Inch	1.3386
Weight (kg)	3.47 kg

Product Properties

Bore	C - Cylindrical Bore
Seal	No Seal
Cage Type	S - Steel or Standard Cage
External Modification	No External Modification
Radial Internal Play	Cn Normal Internal Play
Precision	Standard Precision
Heat Stabilization	No Heat Stabilization - Temperatures up to 120 °C

Suffix description

/S/	Special Heat Treatment (Black Oxidate Coating)
M	Machined Brass Cage, Located On The Rolling Elements
MU1	Special Quality Control Specification
U303	The Code U303 In The Article Number Of An NSK Bearing Shows That It Was Specially Developed And Produced For Use In Wind Power Technology. These Wind Turbine Bearings Are Made From Premium, High-Purity Bearing Steels And Special Steels Used Exclusively By NSK. They Are Also Assembled In Separate Production Areas And Subject To Special Packaging Regulations, Which Prevent Contamination