Selection Guide

Deep Groove Radial Ball Bearings

GMN radial deep groove radial ball bearings are available in a wide range of executions. For technical reasons, not every basic type can be supplied with every special feature, e.g. combining TB- cage with shields is not possible for most basic types.

Hence there is no online selection available. Below we have listed our designation system and a listing of our basic types. For support or bearing selection please contact our application engineers.

 

Download Radial Bearing Selection Guide

 

HY
1
6002
2
X
3
J
4
P4
5
C2
6
R
7
DF
8
S1
9
GLY32
10

1 Material
- Bearings made of bearing steel have no prefix
M Bearings made of high temperature steel1
N Bearings made of high nitrogen steel1
HY Balls made of Silicon Nitride, rings made of bearing steel
2 Bearing Size
6002 Designation of dimension series and bore diameter
3 Series/Shields
X Extra-wide bearing
Z Shield on one side
2Z Shields on both sides (for matched pairs, shields are on outside faces)
4 Cage
J Steel ribbon cage, ball guided
T9H Crown cage of fiberglass reinforced polyamide, ball guided
TBH Crown cage of laminated phenolic resin, inner land guided
TA Solid cage of laminated phenolic resin, outer land guided
TB Solid cage of laminated phenolic resin, inner land guided
MA Solid cage of brass, outer land guided
5 Precision
P4 European tolerance class, similar to ABEC 72
P2 European tolerance class, similar to ABEC 92
A7 ABEC 7 per ABMA standards, similar to P42
A9 ABEC 9 per ABMA standards, similar to P22
HG GMN high precision according to GMN specification, higher than P4, but lower than UP2
UP GMN ultra precision according to GMN specification, higher than HG, but lower than P22
6 Internal Clearance
C2 Radial clearance smaller than standard2
- Standard clearance2
C3 Radial clearance greater than standard2
C4 Radial clearance greater than C32
7 High Point Marking
R High point mark for radial runout for both inner and outer rings
R1 Similar to R, but only for inner ring
R2 Similar to R, but only for outer ring
8 Bearing Sets
DF Face-to-Face arrangement
DB Back-to-Back arrangement
DT Tandem arrangement
9 Heat Treatment
S1 Operating temperature up to 200° C1
S2 Operating temperature up to 250° C1
S3 Operating temperature up to 300° C1
10 Lubrication
- No lubrication
GLY32 Lubrication identifier, ex. Asonic GLY 32

1. Available on request
2. Exact specifications can be found in the GMN Ball Bearing Catalog


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