COB-SRIM 061 Bearing is adopted as bearing-steel ma-terial of the outer & it's spherical operating surface is self-lubricating materials(COB-SRIM 010);Bearing is adopts bearing-steel to be quenched of the inner & the spherical surface is plated with hard chrome.
COB-SRIM 062 Bearing is adopted as bearing-steel ma-terial of the outer & it's spherical operating surface is self-lubricating materials(COB-SRIM 020);Bearing is adopts bearing-steel to be quenched of the inner & the spherical surface is plated with hard chrome.
COB-SRIM 063 Bearing is adopts bearing-steel to que-nched of the inner & the spherical surface is plated with hard chrome;Bearing's adopted as COB-SRIM 050 of the inner & it's spherical surface is solid-lubricant.
COB-SRIM 064 The outer bearing adopts bearing-steel & it's spherical surface is COB-SRIM 030 & solid-lub-ricant;Bearing is adopts bearing-steel to be quenched of the inner and the spherical surface is plated with hard chrome.

Material capacity of Radial Spherical Plain Bearings:

material		COB-SRIM 061	COB-SRIM 062	COB-SRIM 063	COB-SRIM 064
capacity
load capac-ity,N/mm2	Static load	250	250	260	260
	Dynamic load	140	100	100	130
velocity,m/s	oil-lubricating	2.5	2.5	0.5	5
PV value,N/mm2m/s	oil-lubricating	2.8	2.8	1.65	2.8
Coefficient friction μ	oil-lubricating	0.05~ 0.25	0.05~ 0.25	0.07~ 0.16	0.08~ 0.12
Operation temperature,℃		-80~140	-80~140	-80~140	-40~130

Tolerances of radial spherical plain bearings.
Fits of radial spherical plain bearings.
Radial internal clearance of steel-on-TPFE com-posite material radial spherical plain bearings.
Dimensions and Load ratings of radial spherical plain bearings.