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PRODUCT

Miniature 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 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 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.

 

Application

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 ModelDimensionsBasic Load Rating(KN)Speed ratings(Kr/min)Mounting Dim.(mm)Ball Complement(mm)Weight(kg)
dDr (min.)BB
Open,ZZ,2RSOpen,ZZ,2RSOpen,ZZ,2RSOpenZZ,2RS
mminchmminchmminchmminchmminchDyn.CStat.CoGreaseOildaDaraQtyDim
MR411.20.047240.15750.10.0041.80.07092.50.0984113.51101301.83.40.0770.60.00014
MR5220.078750.19690.10.00420.07872.50.0984175851002.64.20.0760.80.0001
MR6220.078760.23620.150.0062.50.09842.50.0984341075902.85.20.161.20.0003
MR7220.078770.27560.150.0062.50.098430.1181391363753.25.80.1571.20.0004
MR8220.078780.3150.20.0082.50.098430.1181571860673.37.20.161.590.0006
MR6330.118160.23620.10.00420.07872.50.0984217.571803.65.40.0580.80.0002
MR8330.118180.3150.150.0062.50.098430.1181401460673.87.20.171.20.0005
MR9330.118190.35430.20.0082.50.098440.1575581956674.26.80.161.590.00075
MR7440.157570.27560.10.00420.07872.50.0984321260674.66.40.05810.0003
MR8440.157580.27560.150.00620.078730.1181401456674.87.20.0871.20.0004
MR10440.1575100.39370.20.00830.118140.1575602148565.28.80.161.590.0001
MR8550.196980.3150.10.00420.07872.50.0984311253635.67.40.05810.0003
MR9550.196990.35430.150.0062.50.098430.1181441750605.88.20.0881.20.0006
MR10550.1969100.39370.150.00630.118140.1575441750605.890.181.20.0006
MR10660.2362100.03970.150.0062.50.098430.1181512245536.89.20.08101.20.0006
MR12660.2362120.47240.20.00830.118140.1575733043507.210.80.181.60.0013
MR11770.2756110.43310.150.0062.50.098430.1181462143507.810.20.0891.20.0007
MR13770.2756130.51180.20.00830.118140.1575552840488.211.80.15121.20.0014
MR14770.2756140.55120.150.0063.50.137850.19691205240508.212.80.15920.002
MR12880.315120.47240.150.0062.50.09843.50.1378552840488.811.20.08121.20.0008
MR14880.315140.55120.20.0083.50.137840.1575833938459.212.80.15101.60.0018


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