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Determination of INA bearings outer ring to the roller when you hang the clearance. First of all ensure that upright posture rotate the outer ring of the bearing 1/2-1 ring, 2 rows of rollers of any location just below the rollers, respectively. With feeler gauge measuring clearance, determination of parts according to INA bearing outer ring outside diameter size is somewhat different.
Outer ring outside diameter larger than 200mm bearing clearance measurement
INA bearing feeler gauge inserted between 2 rows of rollers and outer ring above and the relative bearing symmetrical position between 2 rows of rollers with inner ring, determination of the internal clearance of the bearing. Bearing internal clearance is r, following 2 rows of rollers and bearings are determination, intermediate ring between the bearing internal clearance is set to rS1'rS2, respectively, above the bearing internal clearance is set for rS.
rS=1/2(rS1+rS2)
2 symmetrical position relative bearing determination between the roller rows and the outer ring of the bearing internal clearance and the 2 columns on the left roller and determination of clearance between the outer ring, respectively, is set to rL1'rL2, bearing internal clearance is set to the left side of the rL.
rL=1/2(rL1+rL2)
Roller with 2 columns to the right of determination of clearance between the outer ring, respectively for the R1'rR2 on the right bearing internal clearance is set to rR.
rR=1/2(R1+R2)
Evaluation under the bearing internal clearance.
r=1/2(rS+rL+rR)
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 4T-13685/13621 NTN | 38.1 | 69.012 | 19.05 |
| 4T-LM29748/LM29710 NTN | 38.1 | 65.088 | 18.288 |