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PRODUCT

Miniature Ball Bearings are small bearings with balls as their rolling elements, and these small bearings have an outside diameter of less than 9mm. F, MF series deep groove ball bearings with flanged outer rings correspond to ordinary ball bearings with snap rings. The flange extends around the entire circumference of the outer ring due to the size limitation and to improve its running accuracy. Since it is no necessary to provide a shoulder on the housing bore if this bearing is used, the bore can be a simple cylindrical shape which facilitates high precision machining and also reduces the machining time.

 

In general, the cages used in miniature bearings are either ribbon cage or snap cages, both options are made of pressed steel. Pressed steel ribbon cages are used in the larger bearings and pressed snap cages in the smaller ones. In addition, the plastic snap cages option is also available, as it has the advantages of low torque, long grease life and low noise.

 

Application

The miniature deep groove ball bearings are widely used in miniature mechanical engineering, electronic and medical devices, miniature engines and dynamic model building, small spindles, dental drills, watches, aerospace and all applications requiring extremely small components.

 

Bearing ModelDimensions

Basic Load

 Rating(KN)

Speed ratings(Kr/min)Mounting Dim.(mm)Ball Complement(mm)Weight(kg)
dDDiameterr (min.)BWidthB
Open,ZZ,2RSOpen,ZZ,2RSDfOpen,ZZ,2RSOpenBfZZ,2RS
mminchmminchmmInchmminchmminchmmInchmminchDyn.CStat.CoGreaseOildaDaraQtyDim
F68110.039430.1183.80.11810.050.00210.03940.30.011820.07877.521301501.62.40.0560.50.00003
F69110.039440.157550.19690.10.0041.60.0630.50.019720.07871441001201.83.20.150.80.0001
MF411.20.047240.15754.80.1890.10.0041.80.07090.40.015720.0787113.51101301.83.40.0770.60.00014
F6811.50.059140.157550.19690.050.0021.20.04720.60.023620.0787113.51001202.33.20.170.60.0001
F6911.50.059150.19696.50.2560.150.00620.07870.80.03152.60.1024175851002.73.80.1560.80.0002
F6011.50.059160.23627.50.29530.150.0062.50.09840.80.031530.1181341075902.35.20.161.20.00031
F68220.078750.19696.10.24020.080.0031.50.05910.60.02362.30.0906175851002.84.4160.80.0001
MF5220.078750.19696.20.24410.10.00420.07870.60.02362.50.0984175851002.64.20.0760.80.0001
F69220.078760.23627.50.29530.150.0062.30.09060.80.031530.1181341075903.24.80.161.20.0002
MF6220.078760.23627.20.28350.150.0062.50.09840.60.02362.50.0984341075902.85.20.161.20.0003
MF7220.078770.27568.20.32280.150.0062.50.09840.60.023630.1181391363753.25.80.1571.20.0004
F60220.078770.27568.50.33460.150.0062.80.11020.90.03543.50.1378391360713.25.80.1571.20.0005
F602X2.50.098480.3158.50.33460.150.0062.80.11020.90.035440.1575561860713.76.80.161.590.0006
MF6330.118160.23627.20.28350.10.00420.07870.60.02362.50.0984217.571803.65.40.0580.80.0002
F68330.118170.27568.10.31890.10.00420.07870.80.031530.1181321163754.25.80.1810.0003
MF8330.118180.3159.20.36220.150.0062.50.09840.80.031530.1181401460673.87.20.171.20.0005
F69330.118180.3159.50.3740.150.00630.11810.90.35440.1575571860673.87.20.1561.590.0006
MF9330.118190.354310.20.40160.20.0082.50.09840.80.031540.1575581956674.26.80.161.590.00075
F60330.118190.354310.50.41340.150.00630.118110.039450.1969581956674.27.80.1561.590.0009
F62330.1181100.393711.50.45280.150.00640.157510.039440.1575642250604.28.80.1571.590.0015
MF7440.157570.27568.20.32280.10.00420.07870.60.02362.50.0984261160674.86.250.1110.80.0004
MF8440.157580.3159.20.36220.150.00620.07870.60.023630.1181401456674.87.20.0871.20.0004
F68440.157590.354310.30.40550.10.0042.50.098410.39441.575652353635.27.80.171.590.0007
F69440.1575110.433112.50.4920.150.00640.157510.039440.1575983648565.29.80.15720.0017
F60440.1575120.472413.50.53150.20.00840.157510.039440.1575983648565.610.40.2720.0022
F62440.1575130.5118150.59060.20.00850.196910.039450.19691335040485.611.40.272.380.0031
F63440.1575160.6299180.70870.30.01250.196910.039450.19691375336436140.372.380.0053
MF8550.196980.3159.20.036220.10.00420.07870.60.02362.50.0984311253635.67.40.05810.0003
MF9550.196990.354310.20.40160.150.0062.50.09840.60.023630.1181441750605.88.20.0881.20.0006
MF10550.1969100.393711.20.44060.150.00630.11810.80.031540.1575441750605.890.181.20.0006
F68550.1969110.433112.50.49210.150.00630.118110.039450.1969733045536.29.80.1581.60.0015
F69550.1969130.5118150.59060.20.00840.157510.039440.15751104445536.611.40.2820.0025
F60550.1969140.5512160.630.20.00850.196910.039450.19691365240506.612.40.272.40.0035
F62550.1969160.6299180.70870.30.01250.196910.039450.19691766936437140.372.80.005
F63550.1969190.748220.86610.30.01260.23621.50.05960.23622389132407170.363.50.0085
MF10660.2362100.039711.20.44090.150.0062.50.09840.60.023630.1181512245536.89.20.08101.20.0006
MF12660.2362120.472413.20.51970.20.00830.11810.80.031540.1575733043507.210.80.181.60.0013
F68660.2362130.5118150.59060.150.0063.50.13781.10.043350.19691104540507.211.80.15820.0018
F69660.2362150.5906170.66930.20.00850.19691.20.047250.19691375340457.613.40.272.40.0039
F60660.2362170.6693190.7480.30.01260.23621.20.047260.23622318638458150.363.50.0058
F62660.2362190.748220.8660.30.01260.23621.50.059160.23622389132408170.363.50.0081
F63660.2362220.8661220.8660.30.01270.27561.50.059170.275634014530368200.3740.013
MF11770.2756110.433112.20.48030.150.0062.50.09840.60.023630.1181462143507.810.20.0891.20.0007
MF13770.2756130.511814.20.55910.20.00830.11810.80.031540.1575552840488.211.80.15121.20.0014
MF14770.2756140.5512160.630.150.0063.50.13781.10.043350.19691205240508.212.80.15920.002
F69770.2756170.6693190.7480.30.01250.19691.20.047250.19691647336439150.392.40.0053
F60770.2756190.748220.8660.30.01260.23621.50.05960.23622389136439170.363.50.0076
F62770.2756220.8661250.98430.30.01270.27561.50.05970.275633514130369200.3740.013
F63770.2756261.0236250.98430.30.01290.35431.50.05990.354346620228349240.374.80.024
MF12880.315120.472413.20.51970.150.0062.50.09840.80.03153.50.1378552840488.811.20.08121.20.0008
MF14880.315140.551215.60.61420.20.0083.50.13780.80.031540.1575833938459.212.80.15101.60.0018
F68880.315160.6299180.70870.20.00840.15751.10.043350.19691286036439.614.40.21020.0032
F69880.315190.748220.8660.30.01260.23621.50.05960.236222894364310170.373.20.0072
F60880.315220.8661250.98430.30.01270.27561.50.05970.2756336141344010200.3740.0012
F62880.315240.9449250.98430.30.01280.3151.50.05980.315340145283410220.3740.018
F63880.315281.1024250.984330.01290.35431.50.05990.3543466202283410260.374.80.029
F67990.3543140.551215.50.61020.10.00430.11810.80.03154.50.1772934736421012.70.2121.60.002
F68990.3543170.6693190.7480 0.20.00840.15751.10.043350.196913568364310.615.40.21120.0035
F69990.3543200.7874230.90550.30.01260.23621.50.05960.2362252110344011180.383.20.0075
F60990.3543240.9449271.06290.30.01270.27561.50.05970.2756340145323811220.3740.015
F62990.3543261.0236271.06290.30.01280.3151.50.05980.315466202283412.1220.374.80.02
F63990.3543301.1811271.06290.60.024100.39371.50.059100.3937475212243013260.674.80.035
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