plain bearings

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Function Plain bearings support and guide moving components inside the engine. Their primary purpose is to facilitate the virtually wear-free rotation of these components. Plain bearings comprise one or two bearing shells which are locked firmly in place in the bearing seat. The bearing shells wrap around the rotating shaft at the bearing journals.The wear on a plain bearing engine occurs when the engine is first started. On startup there is no oil flow or oil pressure so there is a minute amount of wear before the oil pressure comes up. Plain Bearings with no bushing are usually used for the camshaft in the cylinder head. There are several ways they are used.


Plain Bearings. The earliest blocks used plain bearings, but they have slowly given way to higher-performing bearings. Plain bearings have the least number of moving parts. A long lifespan and low maintenance with heavy load applications are the main benefits of plain bearings.


15 mm x 26 mm x 13 mm IKO SB 15A plain bearings

0.38 0.156
0.06 in 17.9960 in

INA GE70-DO plain bearings

100x140x24 100
24 mm SL182920

Toyana GE 018/32 XES-2RS plain bearings

4,700 rpm 140 mm
2 mm 77 mm

22,225 mm x 36,513 mm x 19,431 mm SIGMA GEZ 014 ES plain bearings

54.10 mm 30.48 mm
25.001 mm -0.5 mm

SKF SIL6C plain bearings

0,12 Kg 55 mm
13 mm 13

SKF SI20C plain bearings

100 mm 10 mm
2 3/16 inch 55,6 mm

AST GEBJ18C plain bearings

38 110x200x38
S7222 ACD/P4A 160 kN

8 mm x 10 mm x 12 mm INA EGB0812-E40 plain bearings

128 mm 902 mm
8500 kN 8 mm x 10 mm x 12 mm

Toyana TUP2 45.40 plain bearings

3.93 Kg 2.1 mm
NACHI 80x170x39

127 mm x 196.85 mm x 111.125 mm SKF GEZ 500 TXA-2LS plain bearings

180 229 mm
3 mm 0.33

Toyana TUP1 75.80 plain bearings

SKF 88,9 mm
69,85 mm 0,2 mm