R8ZZ R8-2RS RI-1812ZZ Inch Ball Bearings Manufacturer
R8-ZZ bearing is a Precision Radial Ball Bearing both sides Metal Shielded and is pre-lubricated with Grease allowing it to be ready for use upon delivery. This bearing comes pre-lubricated with grease and is available with rubber seals (-2RS) or metal shields (-ZZ). This bearing is suitable for high speed or the high-speed operation, and very durable, without regular maintenance. This kind of bearing friction coefficient is small and the limit speed is high, the structure is simple, it is the most widely used in mechanical industry of bearings.
R8ZZ R8-2RS RI-1812ZZ Ball Bearing Dimension:
|
Bearing No.
|
R8ZZ R8-2RS RI-1812ZZ
|
|
Inner Diameter
|
12.7 mm
|
|
Outer Diameter
|
28.575 mm
|
|
Width
|
7.938 mm
|
|
Seal type
|
Metal shield /Rubber seal
|
Miniature Bearings Application :
- Electric motors
- Small power tool
- Toy
- Household appliances
- Textile machines
- Dental machine
- Trolleys
- Instrumentation
- Office equipment
- Pumps and compressors
- Gearboxes
Photo:
More Related Models :
|
No.
|
Size
|
Weight
|
|
Inner Diameter
|
Out Diameter
|
Width (B)
|
Chamfering
|
|
d
|
D
|
Open Type
|
Shielded Type
|
rsmin (r)
|
Close
|
|
mm
|
inch
|
mm
|
inch
|
mm
|
inch
|
mm
|
inch
|
mm
|
inch
|
KG
|
|
R2
|
3.175
|
0.125
|
9.525
|
0.375
|
3.969
|
0.1563
|
3.969
|
0.1563
|
0.3
|
0.012
|
0.0014
|
|
R2A
|
3.175
|
0.125
|
12.7
|
0.5
|
4.366
|
0.1719
|
4.366
|
0.1719
|
0.3
|
0.012
|
0.0033
|
|
R3
|
4.762
|
0.1875
|
12.7
|
0.5
|
3.969
|
0.1563
|
4.978
|
0.196
|
0.3
|
0.012
|
0.0029
|
|
R3A
|
4.762
|
0.1875
|
15.875
|
0.625
|
4.978
|
0.196
|
4.978
|
0.196
|
0.3
|
0.012
|
0.0047
|
|
R4
|
6.35
|
0.25
|
15.875
|
0.625
|
4.978
|
0.196
|
4.978
|
0.196
|
0.3
|
0.012
|
0.0045
|
|
R4A
|
6.35
|
0.25
|
19.05
|
0.75
|
5.556
|
0.2187
|
7.144
|
0.2813
|
0.4
|
0.016
|
0.01
|
|
R6
|
9.525
|
0.375
|
22.225
|
0.875
|
5.556
|
0.2187
|
7.144
|
0.2813
|
0.4
|
0.016
|
0.0117
|
|
R8
|
12.7
|
0.5
|
28.575
|
1.125
|
6.35
|
0.25
|
7.938
|
0.3125
|
0.4
|
0.016
|
0.021
|
|
R10
|
15.875
|
0.625
|
34.925
|
1.375
|
7.144
|
0.2813
|
8.731
|
0.3437
|
0.8
|
0.032
|
0.0367
|
|
R12
|
19.05
|
0.75
|
41.275
|
1.625
|
7.938
|
0.3125
|
11.112
|
0.4375
|
0.8
|
0.032
|
0.063
|
|
R14
|
22.225
|
0.875
|
47.625
|
1.875
|
9.525
|
0.375
|
12.7
|
0.5
|
0.8
|
0.032
|
0.097
|
|
R16
|
25.4
|
1
|
50.8
|
2
|
9.525
|
0.375
|
12.7
|
0.5
|
0.8
|
0.032
|
0.107
|
|
R18
|
28.575
|
1.125
|
53.975
|
2.125
|
9.525
|
0.375
|
12.7
|
0.5
|
0.8
|
0.032
|
0.122
|
|
R20
|
31.75
|
1.25
|
57.15
|
2.25
|
9.525
|
0.375
|
12.7
|
0.5
|
0.8
|
0.032
|
0.125
|
|
R22
|
34.925
|
1.375
|
63.5
|
2.5
|
11.112
|
0.4375
|
14.288
|
0.5625
|
0.8
|
0.032
|
0.165
|
|
R24
|
38.1
|
1.5
|
66.675
|
2.625
|
11.112
|
0.4375
|
14.288
|
0.5625
|
0.8
|
0.032
|
0.172
|
|
R144
|
3.175
|
0.125
|
6.35
|
0.25
|
2.779
|
0.1094
|
2.779
|
0.1094
|
0.08
|
0.003
|
0.0003
|
|
R155
|
3.969
|
0.1563
|
7.938
|
0.3125
|
2.779
|
0.1094
|
3.175
|
0.125
|
0.08
|
0.003
|
0.00055
|
|
R156
|
4.762
|
0.1875
|
7.938
|
0.3125
|
2.779
|
0.1094
|
3.175
|
0.125
|
0.08
|
0.003
|
0.00045
|
|
R166
|
4.762
|
0.1875
|
9.525
|
0.375
|
3.175
|
0.125
|
3.175
|
0.125
|
0.08
|
0.003
|
0.0008
|
|
R168
|
6.35
|
0.25
|
9.525
|
0.375
|
3.175
|
0.125
|
3.175
|
0.125
|
0.08
|
0.003
|
0.0006
|
|
R186
|
4.762
|
0.1875
|
12.7
|
0.5
|
2.779
|
0.1094
|
3.969
|
0.1563
|
0.13
|
0.005
|
0.002
|
|
R188
|
6.35
|
0.25
|
12.7
|
0.5
|
3.175
|
0.125
|
4.762
|
0.1875
|
0.13
|
0.005
|
0.002
|
|
R1810
|
7.938
|
0.3125
|
12.7
|
0.5
|
3.969
|
0.1563
|
3.969
|
0.1563
|
0.13
|
0.005
|
0.0017
|
Advantage of WIS Bearing:
With over 15 years bearing industry experience ,we have perfect group pf technical engineers give you best support
- Competitive price and small MOQ
Direct manufacturer of bearings can offer you lowest price with small MOQ
WIS bearings can provide OEM and ODM service as to your sample or drawings.
We focus on quality during production and guarantee 100% quality inspection before delivery
WIS bearings give you on time delivery
