3mm x 7.8mm Loose Rollers

In Stock

Supplied to DIN 5402 Standards

Loose Steel Rollers are supplied in Grade 2 Precision

Roundness: < 1um
Roughness: < 0.16um
Sorting Groups: 2um

Loose Needle Roller Bearings - Chrome Steel rollers made from AISI 52100 steel. Typically used in bearings and other industrial applications.

Standard Chemical Composition %
	C	Si	Mn	P	S	Cr	Hardness
AISI 52100	0,95	0,35	0,20	0,025	0,025	1,30	60 - 66 HRC
AISI 52100	1,10	max	0,50	max	max	1,60	60 - 66 HRC