plain bearings

The use of bearings, simplistic as they may have been then, dates back to at least the ancient Egyptians, and perhaps even predated the invention of the wheel.

Today bearings can be found wherever there is relative motion between two surfaces, which includes virtually everything from household appliances to industrial machinery.

Bearing Number	Bore Dia	Outer DIa	Width	Size
50 mm x 55 mm x 20 mm SKF PCM 505520 E plain bearings	Grip Tight Ball Bear	Std Retainer	Baldor-Dodge	2.2500 in
57,15 mm x 61,913 mm x 50,8 mm SKF PCZ 3632 M plain bearings	57,15 mm x 61,913 mm x 50,8 mm	-	-	-
40 mm x 62 mm x 28 mm SKF GE 40 TXE-2LS plain bearings	Double Shield	Click here	Carbon Steel	With Snap Ring
SKF SAL45ES-2RS plain bearings	11-1/2 in	Expansion Bearing &#	3.1875 in	91900 lb
30 mm x 47 mm x 22 mm SKF GE30ES-2RS plain bearings	3.8750 in	1.2188 in	SFT	Standard Duty
30 mm x 47 mm x 22 mm NTN SA1-30B plain bearings	Plain	2-5/8 in	Plain Interior	2.6250 in