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Miniature Metric Ball Bearing MR Series
Miniature Metric Ball Bearing MR Series

Miniature Metric Ball Bearing --- MR Series


Miniature Metric ball bearings refer to metric series with an outside diameter of less than 9mm. Inch series deep groove ball bearings with outer diameter less than 10mm. And the bearings MR series are machined components that include an outer ring, inner ring, balls, retainers, shields.


Miniature metric ball bearings are single row deep groove ball bearings with a bore diameter below 10 mm. Miniature deep groove ball bearings are particularly versatile. They are simple in design, non-separable, suitable for high and very high speeds and are robust in operation, requiring little maintenance. Single row deep groove ball bearings have deep, uninterrupted raceway grooves. These raceway grooves have a close osculation with the balls, enabling the bearings to accommodate radial loads and axial loads in both directions. Miniature metric ball bearings are available open or capped (with seals or shields), while the width for these two options are different, the capped miniature bearing is wider than open version, so user needs to pay attention to it when choose the bearing.


The miniature deep groove ball bearings are widely used in motor, fitness equipment, telecommunication equipment, instrument and apparatus, computer, auto motor, precision instrument, machine equipment industries etc.





Bearing Model

Dimensions



Basic Load Rating(KN)



Speed ratings(Kr/min)



Mounting Dim.(mm)



Ball Complement(mm)



Weight(kg)

d D r (min.) B B
Open,ZZ,2RS Open,ZZ,2RS Open,ZZ,2RS Open ZZ,2RS
mm inch mm inch mm inch mm inch mm inch Dyn.C Stat.Co Grease Oil da Da ra Qty Dim
MR41 1.2 0.0472 4 0.1575 0.1 0.004 1.8 0.0709 2.5 0.0984 11 3.5 110 130 1.8 3.4 0.07 7 0.6 0.14
MR52 2 0.0787 5 0.1969 0.1 0.004 2 0.0787 2.5 0.0984 17 5 85 100 2.6 4.2 0.07 6 0.8 0.1
MR62 2 0.0787 6 0.2362 0.15 0.006 2.5 0.0984 2.5 0.0984 34 10 75 90 2.8 5.2 0.1 6 1.2 0.3
MR72 2 0.0787 7 0.2756 0.15 0.006 2.5 0.0984 3 0.1181 39 13 63 75 3.2 5.8 0.15 7 1.2 0.4
MR82 2 0.0787 8 0.315 0.2 0.008 2.5 0.0984 3 0.1181 57 18 60 67 3.3 7.2 0.1 6 1.59 0.6
MR63 3 0.1181 6 0.2362 0.1 0.004 2 0.0787 2.5 0.0984 21 7.5 71 80 3.6 5.4 0.05 8 0.8 0.2
MR83 3 0.1181 8 0.315 0.15 0.006 2.5 0.0984 3 0.1181 40 14 60 67 3.8 7.2 0.1 7 1.2 0.5
MR93 3 0.1181 9 0.3543 0.2 0.008 2.5 0.0984 4 0.1575 58 19 56 67 4.2 6.8 0.1 6 1.59 0.75
MR74 4 0.1575 7 0.2756 0.1 0.004 2 0.0787 2.5 0.0984 32 12 60 67 4.6 6.4 0.05 8 1 0.3
MR84 4 0.1575 8 0.2756 0.15 0.006 2 0.0787 3 0.1181 40 14 56 67 4.8 7.2 0.08 7 1.2 0.4
MR104 4 0.1575 10 0.3937 0.2 0.008 3 0.1181 4 0.1575 60 21 48 56 5.2 8.8 0.1 6 1.59 0.1
MR85 5 0.1969 8 0.315 0.1 0.004 2 0.0787 2.5 0.0984 31 12 53 63 5.6 7.4 0.05 8 1 0.3
MR95 5 0.1969 9 0.3543 0.15 0.006 2.5 0.0984 3 0.1181 44 17 50 60 5.8 8.2 0.08 8 1.2 0.6
MR105 5 0.1969 10 0.3937 0.15 0.006 3 0.1181 4 0.1575 44 17 50 60 5.8 9 0.1 8 1.2 0.6
MR106 6 0.2362 10 0.0397 0.15 0.006 2.5 0.0984 3 0.1181 51 22 45 53 6.8 9.2 0.08 10 1.2 0.6
MR126 6 0.2362 12 0.4724 0.2 0.008 3 0.1181 4 0.1575 73 30 43 50 7.2 10.8 0.1 8 1.6 1.3
MR117 7 0.2756 11 0.4331 0.15 0.006 2.5 0.0984 3 0.1181 46 21 43 50 7.8 10.2 0.08 9 1.2 0.7
MR137 7 0.2756 13 0.5118 0.2 0.008 3 0.1181 4 0.1575 55 28 40 48 8.2 11.8 0.15 12 1.2 1.4
MR147 7 0.2756 14 0.5512 0.15 0.006 3.5 0.1378 5 0.1969 120 52 40 50 8.2 12.8 0.15 9 2 2
MR128 8 0.315 12 0.4724 0.15 0.006 2.5 0.0984 3.5 0.1378 55 28 40 48 8.8 11.2 0.08 12 1.2 0.8
MR148 8 0.315 14 0.5512 0.2 0.008 3.5 0.1378 4 0.1575 83 39 38 45 9.2 12.8 0.15 10 1.6 1.8

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