Bearing seal, dust cover, external shape change code

Home>Bearing knowledge> Bearing seal, dust cover, external shape change code
/*728*90 created on 2018/5/16*/ var cpro_id = "u3440131";

Bearing seal, dust cover, external shape change code

Source: Bearing network time: 2014-08-09

/*250*250 was created on 2017/12/25*/ var cpro_id = 'u3171089';
K: tapered bore bearing; taper 1:12 (outer spherical ball bearing is outside). Example: 1210K
K30: tapered bore bearing; taper 1:30. Example: 24122 K30
R: The bearing outer ring has a stop rib (flange outer ring) is not suitable for radial ball bearings with an inner diameter of less than 10mm. Example 30307R
N: There is a stop groove on the outer ring of the bearing. Example: 6210N
NR: There is a stop groove on the outer ring of the bearing; with a snap ring. Example: 6210 NR
-RS: One side of the bearing with a skeleton rubber seal (touch type). Example: 6210-RS
-2RS: bearing rubber seal on both sides of the bearing (touch type). Example: 6210-2RS. (Note: NSK bearing touch seal indicates DDU)
-RZ: One side of the bearing with a skeleton rubber seal (non-touch type). Example: 6210-RZ
-2RZ: bearing rubber seal on both sides of the bearing (non-touch type). Example: 6210-2RZ
-Z: The bearing has a dust cover on one side. Example: 6210-Z
-2Z: The bearing has a dust cover on both sides. Example: 6210-2Z. (Note: NSK indicates that the method is ZZ)
-RSZ: One side of the bearing has a skeleton rubber seal (touch type) and one side with a dust cover. Example: 6210-RSZ
-RZZ: One side of the bearing has a skeleton rubber seal (non-touch type) and one side with a dust cover. Example: 6210-RZZ
-ZN: One side of the bearing has a dust cover; the other side has a stop groove. Example: 6210-ZN
-ZNR: One side of the bearing has a dust cover; the other side has a retaining groove with a snap ring. Example: 6210-ZNR
-ZNB: The bearing has a dust cover on one side; the outer ring on the same side has a stop groove. Example: 6210-ZNB
-2ZN: bearing has dust cover on both sides; outer ring has stop groove. Example: 6210-2ZN
-U: Thrust ball bearing; with spherical washer.
-FS: The bearing is sealed with a felt ring on one side. Example: 6203-FS
-2FS: The bearing is sealed on both sides with a felt ring. Example: 6206-2FSWB
-LS: One side of the bearing with a skeleton rubber seal (touch type, ferrule is not grooved)
-2LS: Bearing rubber seal on both sides of the bearing (touch type, ferrule is not grooved). Example: NNF 5012-2LSNV
PP: Bearings with soft rubber seals on both sides. Example: NATR 8PP
-2K: double row tapered bore bearing; taper 1:12
D
Double row angular touch ball bearing; double inner ring; touch angle is 45°
Double row tapered roller bearing; no inner spacer; end face not repaired DC: double row angular touch ball bearing; double outer ring. Example: 3924-2KDC
D1: double row tapered roller bearing; no inner spacer; end face grinding DH: one-way thrust bearing with two races DS: one-way thrust bearing with two shaft rings N1: bearing outer ring has a positioning groove Port N2: There are two or more symmetric positioning notches on the outer ring of the bearing. N4: N+N2 The positioning notch and the stop groove are not on the same side. N6: N+N2 The positioning notch and the stop groove are on the same side P: Spherical roller bearing PR with double outer ring: same as P; spacer ring between two outer rings
The outer surface of the bearing is spherical (the spherical ball bearing is outside)
Adjustable clearance (needle bearing)
WB: wide inner ring bearing (double-sided width), WB1--single-sided width WC: wide outer ring bearing SC: with outer cover radial bearing X: roller needle bearing outer ring outer cylindrical surface Z: with dust cover Needle roller combination bearing. Example: NK 25 Z
ZH: Thrust bearing; seat with dust cover ZS: thrust bearing; shaft ring with dust cover

Recommend to friends comments close window

Bearing related knowledge
The characteristics of the selected spindle bearing oil of the bearing layout. The selection criteria of the bearing clearance are as follows. The fake eight-black bearing is not difficult to distinguish. It is the bearing standard.


This article links to http://
Please indicate China Bearing Network http://

Previous:The summer is the smoother the oil, the better the viscosity is. Next:The condition of skf bearing correction

Sensor Bulb

Jiangmen Duramp Electric Co., Ltd , https://www.durampled.com