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Tolerance

TEC Bearings - Manufacturer and Exporter of High Quality Bearings

Tolerance


Inner Ring
Diamensions in M.M.
Nominal Bore
Diameter
Over
To
5
15
15
20
20
35
35
55
55
75
75
120
 
 
Standard Tolerance in Microns
Bore dm -10
0
-9
0
-10
0
-11
0
-13
0
-20
0
 
Width B 0
-110
0
-110
0
-110
0
-110
0
-140
0
-200
 
Width Variation 20 25 20 18 30 30
Radial runout of
assembled bearings
Ri 20 15 17 20 30 35
Outer Rings
Dimensions in m.m.
Nominal
outside diameter
Over
To
18
30
30
50
50
80
80
120
120
150
150
180
180
250
   
Standard Tolerances in Microns
Outside
Diameter
Dm 0
-10
0
-10
0
-14
0
-16
0
-20
0
-27
0
-35
Radial Runout of
assembled bearings
Ra 17 25 27 35 42 50 50
  Width tolerance is same for inner and outer ring


Deep Groove Ball Bearing Clearance in Microns

 

Nominal Bore
d = mm
Over 2.5 6 10 18 24 30 40 50 65 80 100 120 140 160
To 6 10 18 24 30 40 50 65 80 100 120 140 160 180
Group C2
min 0 0 0 0 1 1 1 1 1 1 2 2 2 2
max 7 7 9 10 11 11 11 15 15 18 20 23 23 25
Normal Group CN
min 2 2 3 5 5 6 6 8 10 12 15 18 18 20
max 13 13 18 20 20 20 23 28 30 36 41 48 53 61
Group C3
min 8 8 11 13 13 15 18 23 25 30 36 41 46 53
max 23 23 25 28 28 33 36 43 51 58 66 81 91 102
Group C4
min 14 18 20 23 28 30 38 46 53 61 71 81 91
max   29 33 36 41 46 51 61 71 84 97 114 130 147

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