FAG bearing pre-code (prefix) and its meaning R is placed directly before the bearing basic code, and the rest of the pre-code is separated from the basic code by a small dot.
GS—Thrust cylindrical roller bearing race. Example: GS.81112
K–-The combination of rolling elements and cages. Example: K.81108 assembly of thrust cylindrical roller and cage.
FAG bearing rear code (suffix) and its meaning
F-steel solid cage, guided by rolling elements.
FA-steel solid cage with outer ring guide.
FAS-steel solid cage with outer ring guide and lubrication groove.
FB-steel solid cage with inner ring guide.
FBS-steel solid cage with inner ring guide and lubrication groove.
FH-steel solid cage, carburized and quenched.
H, H1-carburized quenching cage.
The P5-tolerance level is in accordance with the international standard ISO level 5.
The P4-tolerance level is in accordance with the international standard ISO level 4.
P2-tolerance level conforms to international standard ISO level 2 (excluding tapered roller bearings)
NSK bearing pre-code meaning
F—— Deep groove ball bearing of flange outer ring (applicable to d less than 10 mm), for example: F605.
HR - High load tapered roller bearings, for example: HR30207J.
NSK bearing rear code meaning
A - Bearings with different internal design and standard.
A - angular contact ball bearing, contact angle is 30 degrees.
A5 - angular contact ball bearing, contact angle is 25 degrees
Z, ZS - with a steel dust cover on one side.
ZZ, ZZS - with steel dust cover on both sides.
D, DU - one side with a contact rubber seal.
C1—The radial clearance of the radial bearing is smaller than the C2 clearance.
C2—The radial clearance of the radial bearing is smaller than the standard clearance.
CN (omitted) & mdash, bearing; - radial standard clearance of radial bearing.
C3—The radial clearance of the radial bearing is larger than the standard clearance.
C4—The radial clearance of the radial bearing is larger than the C3 clearance.
NTN bearing suffix meaning
B——40° contact angle;
TIMKEN bearing suffix meaning
AB outer ring with flanged outer ring, not interchangeable with basic model
AC inner ring with different inner diameter and rounded outer diameter, different internal geometry
OD/width/or fillet radius of the outer ring different from the basic model
AD outer ring double outer ring, not interchangeable with basic model
CR inner/outer ring outer raceway with rib bearing series
CX inner ring size is different from basic model and is not interchangeable
D inner/outer ring double inner ring or double outer ring, not interchangeable with basic model
INA bearing suffix meaning
P-bearing with seal ring on one side
PP-bearing with sealing ring on both sides
RS-bearing with seal on one side
2RS-bearing with sealing ring on both sides
P6 - Bearings with higher dimensional tolerances and geometric accuracy
P5-bearings with high dimensional tolerances and geometric accuracy
P4-bearings with extremely high dimensional tolerances and geometrical accuracy
KOYO bearing front code meaning
4CRI-four row cylindrical roller bearing inner ring, for example: 4CRI4560F
4CRO-four row cylindrical roller bearing outer ring, for example: 4CRO660AF
E-magnet ball bearings, the outer diameter is positive tolerance, for example: E10
EN-Magnetic ball bearings, outer diameter is negative tolerance, for example: EN10
KOYO bearing suffix meaning
A-angle contact bearing, contact angle 30 degrees (not marked), for example: 7210
B-angle contact bearing, contact angle 40 degrees, for example: 7210B
C-angular contact bearing, contact angle 15 degrees, for example: 7210C
RSC-silicone rubber RS ​​seal, for example: 6210RSC
RSD-polypropylene rubber RS ​​seal, for example: 6210RSD
RSE-single-sided, rib-guided contact-type synthetic rubber seal, for example: 6206RSE
K-with tapered bearing, taper 1:12, for example: 1210K
K30-with tapered bearing, taper 1:30, for example: 23026K30
N-outer ring with stop groove bearing,
C-tapered roller bearing with keyhole
NR-outer ring with snap ring bearing, for example: 6210NR
Y-non-standard chamfer smaller than the standard chamfer size, for example: 30206Y
S-tapered roller bearings, non-standard chamfering (inclination)
SG-inner diameter tapered roller bearing with spiral groove
Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
Calcium Cyanamide,White Calcium Cyanamide,Granular Calcium Cyanamide,Calcium Cyanamide Fertilizer,Raw Materials Calcium Cyanamide
Beilite Chemical Co., Ltd. , https://www.dicyandiamideblt.com