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Small-Diameter Ball Bearing

Small-Diameter Ball Bearing
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Product Description

[Features]
Small-diameter ball bearing in witch both inner & outer rings and rolling element bearing are made of steel.
[Applications]
Electric tools, measuring instruments, office machines, etc.

Dimensional Drawing

Dimensional Drawing of Small Diameter Ball Bearings
Dimensional Drawing 2 of Small Diameter Ball Bearings

With flange

Standard table

Main Dimensions (mm)Bearing NumberBasic Load RatingInstallation Dimension (mm) Reference ValuesAllowable Maximum Speed (min-1)
Grease Lubricant rpm
Weight (g)
Reference
dDBrs
(min)
ShieldsCr
(N)
Cor
(N)
Da
(min)
da
(max)
R
(max)
ZZ
362.50.10MR63ZZ208745.43.70.10710000.27
840.15693ZZ5601797.34.30.15600000.83
950.15603ZZ5701877.94.30.15560001.45
1040.15623ZZ6302188.04.30.15500001.66
472.50.10MR74ZZ2551076.34.80.10600000.29
830.15MR84ZZ3951397.45.00.10560000.56
940.15684ZZ6402258.15.20.10530001.01
1040.20MR104ZZ7102708.85.90.20500001.42
1140.20694ZZ9603459.95.60.20480001.75
1240.20604ZZ9603459.95.60.20480002.29
1350.20624ZZ130048511.36.00.20400003.04
1650.30634ZZ173067013.87.50.30360005.21
582.50.10MR85ZZ3101207.45.80.10530000.34
930.15MR95ZZ4301688.26.00.15500000.58
1040.15MR105ZZ4301688.46.00.20500001.29
1140.15MR115ZZ7152769.86.30.15480001.49
1150.15685ZZ7152819.96.20.15450001.96
1340.20695ZZ108043011.26.60.20430002.50
1450.20605ZZ133050512.26.90.20400003.48
1650.30625ZZ173067013.87.50.30360004.86
1960.30635ZZ234088516.58.50.30320008.34
Main Dimensions (mm)Bearing NumberBasic Load RatingInstallation Dimension (mm) Reference ValuesAllowable Maximum Speed (min-1)
Grease Lubricant rpm
Weight (g)
Reference
dDBrs
(min)
ShieldsCr
(N)
Cor
(N)
Da
(min)
da
(max)
R
(max)
ZZ
61030.15MR106ZZ4952189.37.00.15450000.68
1240.20MR126ZZ71529210.97.20.20430001.74
1350.20686ZZ108044011.77.40.20400002.69
1550.30696ZZ173067013.37.90.30400003.72
1760.30606ZZ226083514.88.20.30380006.08
1960.30626ZZ234088516.58.50.30320007.94
2270.30636ZZ3300137019.010.50.303000014.00
71450.15687ZZ117051012.78.50.15400002.97
1750.30697ZZ161071014.810.20.30360005.12
1960.30607ZZ234088516.59.10.30360007.51
2270.30627ZZ3300137019.010.50.303000012.90
8123.50.10MR128ZZ54527411.39.00.15400000.97
1440.20MR148ZZ82038512.89.20.20380002.16
1650.20688ZZ161071014.210.20.20360004.02
1960.30698ZZ224091016.510.00.30360007.18
2270.30608ZZ3300137019.010.50.303400012.20
2480.30628ZZ3350143020.512.00.302800017.40
2890.30638ZZ4550197022.812.80.302800028.60
91750.20689ZZ133066515.211.50.20360004.43
2060.30699ZZ172084017.212.00.30340008.33
2470.30609ZZ3350143020.512.00.303200014.70
2680.30629ZZ4550197022.812.80.302800019.30

With flange

Main Dimensions (mm)Bearing NumberBasic Load RatingInstallation Dimension (mm) Reference ValuesAllowable Maximum Speed (min-1)
Grease Lubricant rpm
Weight (g)
Reference
dDD1BCrs
(min)
ShieldsCr
(N)
Cor
(N)
da
(max)
R
(max)
ZZ
367.22.50.60.10MF63ZZ208743.70.10710000.33
478.22.50.60.10MF74ZZ2551074.80.10600000.35
89.230.60.10MF84ZZ3951395.00.10560000.63
910.341.00.10F684ZZ6402255.20.10530001.14
1011.640.80.20MF104ZZ7102705.90.20500001.59
1112.541.00.20F694ZZ9603455.60.20480001.96
589.22.50.60.10MF85ZZ3101205.80.10530000.41
910.230.60.15MF95ZZ4301686.00.15500000.66
1011.640.80.15MF105ZZ4301686.00.20500001.46
1112.640.80.15MF115ZZ7152766.30.15480001.67
1112.551.00.15F685ZZ7152816.20.15450002.18
1315.041.00.20F695ZZ10804306.60.20430002.84
Main Dimensions (mm)Bearing NumberBasic Load RatingInstallation Dimension (mm) Reference ValuesAllowable Maximum Speed (min-1)
Grease Lubricant rpm
Weight (g)
Reference
dDD1BCrs
(min)
ShieldsCr
(N)
Cor
(N)
da
(max)
R
(max)
ZZ
61011.230.60.15MF106ZZ4952187.00.15450000.77
1213.640.80.20MF126ZZ7152927.20.20430001.94
1315.051.10.15F686ZZ10804407.40.20400003.04
1517.051.20.30F696ZZ17306707.90.30400004.26
1719.061.20.30F606ZZ22608358.20.30380006.61
81213.63.50.80.15MF128ZZ5452749.00.15400001.15
1415.640.80.20MF148ZZ8203859.20.20380002.39
1618.051.10.20F688ZZ161071010.20.20360004.47
1922.061.50.30F698ZZ224091010.00.30360008.30
2225.071.50.30F608ZZ3300137010.50.303400013.50

Cr = Basic dynamic load rating
Cor = Basic static load rating

Product specifications

  • Inner and outer rings: SUJ2 (equivalent)
  • Ball: SUJ2 (equivalent)
  • Retainer: SPCC/SUS304 (equivalent)
  • Shields: SPCC/ SUS304 (equivalent)
  • Lubricating oil: Lithium-based grease
  • Accuracy grade: JIS Grade 0
  • Clearance: MC3

Technical Information

Permissible differences and tolerance values of inner rings / Permissible differences and tolerances value of outer ring width

Units/μm

Nominal Bearing Inner Diameter
d (mm)
Dimensional Deviations of Mean Inner Diameter in a Single Plane
⊿dmp
Dimensional Deviations of Inner Diameter
⊿ds
Variations of Inner Diameter in a Single Plane
Vdp
Variations of Mean Inner Diameter in a Single Plane
Vdmp
Class 0Class 6Class 5Class 4Class 4Class 0Class 6Class 5Class 4Class 0Class 6Class 5Class 4
Diameter Series
0, 1, 2, 3, 490, 12, 3, 490, 12, 3, 490, 1, 2, 3, 490, 1, 2, 3, 4
OverIncl.UpperLowerUpperLowerUpperLowerUpperLowerUpperLowerMax.Max.Max.Max.Max.Max.Max.Max.
2.5
10
18
30
50
10
18
30
50
80
0
0
0
0
0
-8
-8
-10
-12
-15
0
0
0
0
0
-7
-7
-8
-10
-12
0
0
0
0
0
-5
-5
-6
-8
-9
0
0
0
0
0
-4
-4
-5
-6
-7
0
0
0
0
0
-4
-4
-5
-6
-7
10
10
13
15
19
8
8
10
12
19
6
6
8
9
11
9
9
10
13
15
7
7
8
10
15
5
5
6
8
9
5
5
6
8
9
4
4
5
6
7
4
4
5
6
7
3
3
4
5
5
6
6
8
9
11
5
5
6
8
9
3
3
3
4
5
2
2
2.5
3
3.5
 
Nominal Bearing
Inner Diameter
d (mm)
Dimensional Deviations of Inner Ring Width
⊿Bs
Variations of Inner Ring Width
VBs
Radial Runout of Inner Ring
Kia
Lateral Runout of Inner Ring
Sd
Axial Runout of Inner Ring
Sia
Dimensional Deviations of Outer Ring Width
⊿Cs
Variations of Outer Ring Width
VCs
Class 0, Class 6Class 5, Class 4Class 0Class 6Class 5Class 4Class 0Class 6Class 5Class 4Class 5Class 4Class 5Class 4Class 0, Class 6Class 5, Class 4Class 0Class 6
OverIncl.UpperLowerUpperLowerMax.Max.Max.Max.Max.Max.Max.Max.Max.Max.Max.Max.UpperLowerUpperLowerMax.Max.
2.5
10
18
30
50
10
18
30
50
80
0
0
0
0
0
-120
-120
-120
-120
-150
0
0
0
0
0
-40
-80
-120
-120
-150
15
20
20
20
25
15
20
20
20
25
5
5
5
5
6
2.5
2.5
2.5
3
4
10
10
13
15
20
6
7
8
10
10
4
4
4
5
5
2.5
2.5
3
4
4
7
7
8
8
8
3
3
4
4
5
7
7
8
8
8
3
3
4
4
5
0
0
0
0
0
-120
-120
-120
-120
-150
0
0
0
0
0
-40
-80
-120
-120
-150
15
20
20
20
25
15
20
20
20
25

Permissible differences and tolerance values of outer ring

Units/μm

Nominal Bearing
Outer Diameter
D (mm)
Dimensional Deviations of Mean Outer Diameter in a Single Plane
⊿Dmp
Variations of Mean Outer Diameter in a Single Plane
VDmp
Class 0Class 6Class 5Class 4Class 0Class 6Class 5Class 4
OverIncl.UpperLowerUpperLowerUpperLowerUpperLowerMax.Max.Max.Max.
*2.5
6
18
30
50
80
6
18
30
50
80
120
0
0
0
0
0
0
-8
-8
-9
-11
-13
-15
0
0
0
0
0
0
-7
-7
-8
-9
-11
-13
0
0
0
0
0
0
-5
-5
-6
-7
-9
-10
0
0
0
0
0
0
-4
-4
-5
-6
-7
-8
6
6
7
8
10
11
5
5
6
7
8
10
3
3
3
4
5
5
2
2
2.5
3
3.5
4
Nominal Bearing
Outer Diameter
D (mm)
Dimensional Deviations of
Outer Diameter
⊿Ds
Variations of Outer Diameter in a Single Plane
VDp
Class 0Class 6Class 5Class 4
Class 4Open bearingsSeal
Shield bearings
Open bearingsSeal
Shield bearings
Open bearingsOpen bearings
Diameter Series
0, 1, 2, 3, 490, 12, 3, 42, 3, 490, 12, 3, 40, 1, 2, 3, 490, 1, 2, 3, 490, 1, 2, 3, 4
OverIncl.UpperLowerMax.Max.Max.Max.
*2.5
6
18
30
50
80
6
18
30
50
80
120
0
0
0
0
0
0
-4
-4
-5
-6
-7
-8
10
10
12
14
16
19
8
8
9
11
13
19
6
6
7
8
10
11
10
10
12
16
20
26
9
9
10
11
14
16
7
7
8
9
11
16
5
5
6
7
8
10
9
9
10
13
16
20
5
5
6
7
9
10
4
4
5
5
7
8
4
4
5
6
7
8
3
3
4
5
5
6
 

Units/μm

Nominal Bearing
Outer Diameter
D (mm)
Radial Runout of Outer Ring
Kea
Perpendicularity of Outer Diameter Surface
SD
Axial Runout of Outer Ring
Sea
Class 0Class 6Class 5Class 4Class 5Class 4Class 5Class 4
OverIncl.Max.Max.Max.Max.Max.Max.Max.Max.
*2.5
6
18
30
50
80
6
18
30
50
80
120
15
15
15
20
25
35
8
8
9
10
13
18
5
5
6
7
8
10
3
3
4
5
5
6
8
8
8
8
8
9
4
4
4
4
4
5
8
8
8
8
10
11
5
5
5
5
5
6

*2.5mm is included in this size category.

Tolerance values of flanged bearings

Units/μm

Nominal Flange Outer Diameter
D1 (mm)
Dimensional Deviations of Flange Outer Diameter
⊿D1s
OverIncl.UpperLower

10
18
10
18
30
+220
+270
+330
-36
-43
-52

Permissible differences and tolerance values of flange width / Tolerance values of rotational accuracy related to flanges

Units/μm

Nominal Bearing
Outer Diameter
D (mm)
Dimensional Deviations of Flange Width
⊿C1s
Variations of Flange Width
VC1s
Perpendicularity of Outer Diameter Surface of Bearings
with respect to Back Face of Flange
SD1
Axial Runout
of Back Face of Flange
Sea1
Class 0Class 6Class 5Class 4Class 0Class 6Class 5Class 4Class 5Class 4Class 5Class 4
OverIncl.Upper    LowerMax.Max.Max.
*2.5
6
18
6
18
30
Based on the tolerance of ⊿Bs for d of the same bearing in the same class.Based on the tolerance of ⊿VBs for d of the same bearing in the same class.5
5
5
25
2.5
2.5
1.5
1.5
1.5
8
8
8
4
4
4
1.5
1.5
1.5
11
11
11
7
7
7
3
3
3

*2.5mm is included in this size category.

 

■ General fitting standard (outline)

● Shaft
Radial Bearings (Class 0, Class 6X, Class 6)MISUMI
Products
ConditionsBall BearingsShaft
Tolerance
Class
Shaft Dia (mm)
Types of loadSizes of load, etc.OverIncl.
Inner ring
rotation load

Load
with variable directions
Light load
Variable load
18h5Shaft
18100js6
100200k6
Normal load18js5
18100k5
100140m5
Inner ring
static load
The inner ring is required to
move easily on the shaft
Total shaft diag6Shaft
rotation axis
The inner ring is not required to
move easily on the shaft
Total shaft diah6
● Housing
Radial Bearings (Class 0, Class 6X, Class 6)
ConditionsHousing
Tolerance Class
Housing
Types of loadSizes of load, etc.Outer Ring Axial Movement
Outer ring
static load
 Each load (light, medium, heavy) Can be easily movedH7Integrated
Split
 The shaft and inner ring become hot Can be easily movedG7
 Requires precision rotation
with light or normal loads
 Usually cannot be movedK6Integrated
 Can be movedJS6
 Requires quiet operation Can be easily movedH6
Load
with variable directions
 Light load, normal load Usually able to moveJS7
 Normal load, heavy load Usually cannot be movedK7
 Large impact loads Cannot be movedM7
Outer ring
rotation load
 Light load, variable load Cannot be movedM7
 Normal load, heavy load Cannot be movedN7
 Heavy load with thin wall housing Cannot be movedP7

[!] Based on JIS B 1566 (2015) Annex B (reference).

[!] Load position
● Inner ring rotating load: The load position on the inner ring changes.
 ● Inner ring static load: The load position on the inner ring does not change.
 ● Outer ring rotation load: The load position on the outer ring changes.
 ● Outer ring static load: The load position on the outer ring does not change.
 ● Load with variable directions: Load position is uncertain
  (Reference: See selections of fitting combinations)
  
[!] Types of load
● Light load: 6% or less of the basic dynamic load rating.
 ● Normal load: More than 6% and less than 12% of the basic dynamic load rating.
 ● Heavy load: Exceeds 12% of the basic dynamic load rating.
Part Number
603ZZ
604ZZ
605ZZ
606ZZ
607ZZ
608ZZ
609ZZ
623ZZ
624ZZ
625ZZ
626ZZ
627ZZ
628ZZ
629ZZ
634ZZ
635ZZ
636ZZ
684ZZ
685ZZ
686ZZ
687ZZ
688ZZ
689ZZ
694ZZ
695ZZ
696ZZ
697ZZ
698ZZ
699ZZ
F606ZZ
F608ZZ
F684ZZ
F685ZZ
F686ZZ
F688ZZ
F694ZZ
F695ZZ
F696ZZ
F698ZZ
MF74ZZ
MF84ZZ
MF85ZZ
MF95ZZ
MF104ZZ
MF105ZZ
MF106ZZ
MF115ZZ
MF126ZZ
MF128ZZ
MF148ZZ
MR74ZZ
MR84ZZ
MR85ZZ
MR95ZZ
MR104ZZ
MR105ZZ
MR106ZZ
MR115ZZ
MR126ZZ
MR128ZZ
MR148ZZ
Part NumberPriceNameMinimum Order Qty.Volume DiscountDays to ShipInner Dia. d
(Ø)
Outer Dia. D
(Ø)
Width B
(mm)
Outer Ring Type Basic Dynamic Load Rating
(N)
Allowable Maximum Rotational Speed
(rpm)
Basic Static Load Rating
(N)

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KMTBEARINGS 1 Piece(s) 3 Day(s) 593Flat43050,000168

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KMTBEARINGS 1 Piece(s) 3 Day(s) 4104Flat71050,000270

฿ 34.29

KMTBEARINGS 1 Piece(s) 3 Day(s) 5104Flat43050,000168

฿ 34.29

KMTBEARINGS 1 Piece(s) 3 Day(s) 6103Flat49545,000218

฿ 34.29

KMTBEARINGS 1 Piece(s) 3 Day(s) 5114Flat71548000276

฿ 34.29

KMTBEARINGS 1 Piece(s) 3 Day(s) 6124Flat71543,000292

฿ 34.29

KMTBEARINGS 1 Piece(s) 3 Day(s) 8123.5Flat54540,000274

฿ 34.29

KMTBEARINGS 1 Piece(s) 3 Day(s) 8144Flat82038000385

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Basic Information

Raceway Ring Shape Ball Bearing Type Two Shields Inner/Outer Ring Material SUJ2 (Equivalent)
Specifications, Environment Standard Precision (JIS) Class 0 Load Direction Radial
Rolling Element Material SUJ2 (Equivalent) Size Standards Metric System Number of Raceway Ring Rows Single Row