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Jinan Shengtuo Mechanical and Electrical Equipment Co.,Ltd
Add:Shandong Jinan High-tech No.59 Industry South Road,Jinan City, Shandong Province, China 250101
Tel:+86-531-88167719
Fax:+86-531-69951182
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E-mail:kevin@jstbearing.com

​SKF bearing external design

- Jul 14, 2018 -

SKF bearing external design

CA, CB, CC- universal matching single row angular contact ball bearings, optional (series, face to face or back to back) mating installation.For backrest or face to face arrangement, the ratio of internal clearance and normal value before axial installation: small (CA), normal (CB), and large (CC).

2f --oth sides of the outer ball bearing are equipped with dust rejection rings.

2ff -- the outer ball bearing is equipped with a combined dust rejection ring on both sides.

G-- universal matching single row angular contact ball bearings.When arranged face to face or back to back, the bearing has certain preload before installation.

GA- face - to - face, back - to - back arrangement, the bearing has a lighter pre-load.

GB- face - to - face, back - to - back arrangement, the bearing has medium pre - load.

GC- face to face, back to back when the bearing has a heavy pre-load.

K-- taper hole, taper 1:12.

K30-- taper hole, taper 1:30.

SKF bearing

LS- the bearing has a contact seal on one side and no sealing groove in the inner ring.

2ls - bearing two sides with LS seal.

N-- there is a stop groove on the outer ring of the bearing.

NR- the bearing outer ring has a stop groove and a stop ring.

N2-- there are two relative grooves in the direction of diameter on the chamfer of the outer ring.

PP- bearing (supporting roller bearing, CAM follower bearing) has contact seal on both sides.

RS- bearing (needle roller bearing) with one side of synthetic rubber or polyurethane contact seal.

RS1- the bearing side is provided with a composite rubber contact seal with steel lining.

2RS1- bearing both sides have RS1 seal.

2RS- bearing (needle bearing) with RS seal on both sides.

RZ- low - friction seal with steel - lined synthetic rubber on one side of the bearing.

2rz - bearing both sides have RZ seal.

X--1. The basic dimensions have been modified to meet the ISO standards;2. Cylindrical rolling surface (supporting roller bearing, CAM follower bearing).

Z-- the bearing has a dust cover (non-friction seal) on one side.

2z -- the bearing has dust cover on both sides.

ZN- the bearing has a dust cover on one side and a stop groove on the other.

2zn -- the bearing has a dust cover on both sides and a stop groove on the outer ring.

Minus 2NR-- same as minus ZN, with a stop ring.

Minus 2ZNR-- same as minus 2ZN, with a stop ring.


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