The Timken Company - Aurora Bearing SIB Series Spherical Bearings (PTFE Liners Available)

Ball - Alloy steel - heat treated - hard chrome plated.
Race - Stainless steel - heat treated.
PTFE Liners available upon request. Specify by adding suffix "T". Ex.: SIB-8T. (PTFE lined parts have no lubrication grooves in race. Lubrication holes are manufacturer's option.)

Unit of Measure

Items	SIB-2T Aurora Bearing SIB Series Spherical Bearings (PTFE Liners Available)	SIB-2 Aurora Bearing SIB Series Spherical Bearings (PTFE Liners Available)	SIB-3 Aurora Bearing SIB Series Spherical Bearings (PTFE Liners Available)	SIB-3T Aurora Bearing SIB Series Spherical Bearings (PTFE Liners Available)	SIB-4 Aurora Bearing SIB Series Spherical Bearings (PTFE Liners Available)
B - Ball Bore	N/A .1250 in	N/A .1250 in	N/A .1900 in	N/A .1900 in	N/A .2500 in
D - Outside Diameter	N/A .4062 in	N/A .4062 in	N/A .5312 in	N/A .5312 in	N/A .6094 in
H - Race Width	N/A .187 in	N/A .187 in	N/A .250 in	N/A .250 in	N/A .281 in
W - Ball Width	N/A .250 in	N/A .250 in	N/A .312 in	N/A .312 in	N/A .375 in
O - Ball Shoulder Diameter	N/A .187 in	N/A .187 in	N/A .307 in	N/A .307 in	N/A .331 in
M - Chamfer	N/A .025 in	N/A .025 in	N/A .020 in	N/A .020 in	N/A .020 in
Ball Diameter	N/A .312 in	N/A .312 in	N/A .437 in	N/A .437 in	N/A .500 in
a - Misalignment Angle	N/A 17 º	N/A 17 º	N/A 10.5 º	N/A 10.5 º	N/A 14.5 º
Radial Static Limit Load	N/A 4,110 lbs	N/A 4,110 lbs	N/A 6,555 lbs	N/A 6,555 lbs	N/A 8,430 lbs
Approximate Brg. Weight	N/A .02 lb	N/A .02 lb	N/A .02 lb	N/A .02 lb	N/A .02 lb
Type of Lubrication	N/A PTFE liner	N/A None	N/A None	N/A PTFE liner	N/A None