Yandian Industrial Park, Linqing City, Liaocheng City, Shandong Province
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Miniature Bearing

Miniature bearing

Bearing Introduction

Miniature bearing refer to the metric series, the outer diameter is less than 9mm; the inch series, the outer diameter of various bearings is less than 9.525mm! The main materials are carbon steel, bearing steel, stainless steel, plastic, ceramics, etc., the inner diameter can be as small as 0.6mm, and the inner diameter is usually 1mm.
The Miniature bearing are suitable for high speed and low noise fields, such as industrial equipment and small rotating electrical machines, such as: office equipment, micro motors, instrumentation, laser engraving, small clocks, floppy drives, pressure rotors, dental drills, hard disk motors , stepper motor, video recorder drum, toy model, computer cooling fan, money counter, fax machine and other related fields.ball bearings

Model table of miniature bearing metric series

Bearing
Number
Old number
(cost)
Nominal Bearing Dimensions(mm)Bearing
Weight
(kg)
dDB
6721000072241.20.00006
672 ZZ 2420.00006
67310000733620.00020
673 ZZ 362.50.00020
673 2RS 3620.00020
67410000744720.00028
674 ZZ 472.50.00028
674 2RS 4720.00028
67510000755820.00032
675 ZZ 5820.00032
675 2RS 582.50.00032
67610000766102.50.00065
676 ZZ 61030.00065
676 2RS 6102.50.00065
67710000777112.50.00067
677 ZZ 71130.00067
677 2RS 7112.50.00067
67810000788122.50.00075
678 ZZ 8123.50.00075
678 2RS 8122.50.00075
679100007991430.00140
679 ZZ 9144.50.00140
679 2RS 91430.00140
68110000811310.00005
681 ZZ 131.50.00005
681 2RS 131.50.00005
6821000082251.50.00013
682 ZZ 251.50.00013
682 2RS 251.50.00013
68310000833720.00031
683 ZZ 3730.00031
683 2RS 3730.00031
6841000084492.50.00070
684 ZZ 4940.00070
684 2RS 4940.00070
685100008551130.00120
685 ZZ 51150.00120
685 2RS 51150.00120
68610000866133.50.00200
686 ZZ 61350.00200
686 2RS 61350.00200
68710000877143.50.00220
687 ZZ 71450.00220
687 2RS 7143.50.00220
688100008881640.00300
688 ZZ 81650.00300
688 2RS 81640.00300
689100008991740.00340
689 ZZ 91750.00340
689 2RS 91740.00340
6911000091141.60.00011
691 ZZ1080091142.30.00011
691 2RS 142.30.00011
6921000092262.30.00031
692 ZZ10800922630.00031
692 2RS 2630.00031
69310000933830.00059
693 ZZ10800933840.00059
693 2RS 3840.00059
694100009441140.00167
694 ZZ108009441140.00167
694 2RS 41140.00167
695100009551340.00238
695 ZZ108009551340.00238
695 2RS 51340.00238
696100009661550.00379
696 ZZ108009661550.00379
696 2RS 61550.00379
697100009771750.00526
697 ZZ108009771750.00526
697 2RS 71750.00526
698100009881960.00709
698 ZZ108009881960.00709
698 2RS 81960.00709
699100009992060.00845
699 ZZ108009992060.00845
699 2RS 92060.00845
60212272.80.00054
602 ZZ80012273.50.00054
602 2RS180012273.50.00054
603133930.00092
603 ZZ800133950.00092
603 2RS1800133950.00092
6041441240.00220
604zz8001441240.00220
604 2RS18001441240.00220
6051551450.00400
605 ZZ8001551450.00400
605 2RS18001551450.00400
6061661760.00600
606 ZZ8001661760.00600
606 2RS18001661760.00600
6071771960.07500
607 ZZ8001771960.07500
607 2RS18001771960.07500
6081882270.01200
608 ZZ8001882270.01200
608 2RS18001882270.01200
6091992470.01400
609 ZZ8001992470.01400
609 2RS18001992470.01400
6232331040.0014
623 ZZ8002331040.0014
623 2RS18002331040.0014
6242441350.0031
624 ZZ8002441350.0031
624 2RS18002441350.0031
6252551650.0050
625 ZZ8002551650.0050
625 2RS18002551650.0050
6262661960.0084
626 ZZ8002661960.0084
626 2RS18002661960.0084
6272772270.0130
627 ZZ8002672270.0130
627 2RS18002672270.0130
6282882480.0170
628 ZZ8002882480.0170
628 2RS18002882480.0170
6292992680.0200
629 ZZ8002992680.0200
629 2RS18002992680.0200
6343441650.0054
634  ZZ8003441650.0054
634  2RS18003441650.0054
6353551960.0090
635 2RS8003551960.0090
635 ZZ18003551960.0090

Model table of miniature bearing inch series

Bearing
Number
Nominal Bearing Dimensions
dDBBearing
Weight
(Approx.)
inchinchinchIbs
R20.1250.3750.15620.003
R2A0.1250.50.17190.006
R30.18750.50.15620.005
R3ZZ0.18750.50.1960.006
R4B0.250.6250.1960.01
R4AA0.250.750.21880.015
R4AAZZ0.250.750.28120.018
R60.3750.8750.21880.02
R6ZZ\VV0.3750.8750.28120.026
R80.51.1250.250.04
R8ZZ\VV0.51.1250.31250.05
R100.6251.3750.28120.06
R10ZZ\VV0.6251.3750.34380.07
R120.751.6250.31250.1
R12ZZ\VV0.751.6250.43750.12
R140.8751.8750.3750.16
R14ZZ0.8751.8750.50.18
R16120.3750.17
R16ZZ120.50.19
R181.1252.1250.3750.19
R18ZZ1.1252.1250.50.21
R201.252.250.3750.21
R20ZZ1.252.250.50.23
R221.3752.50.43750.27
R22ZZ1.3752.50.56250.29
R241.52.6250.43750.3

Symbol Description Table

SubjectSymbolDescription
Seal typeZZMetal shields on both sides.
  2RSRubber seals on both sides.
  ZMetal shield on one side.
  RSRubber seal on one side.

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