R8-2RS Inch Miniature Deep Groove Ball Bearing 12.7x28.575x6.35mm
The R8-2RS bearing is a shpecial bearing with an inner diameter of 12.7 mm , an outer diameter of 28.575 mm, a width of 6.35 mm. It typically uses P0,P6,P5,P4,P2 grade precision tolerances and ZZ,2RS type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
The same size can be made of different materials, including,
Stainless Steel Bearings
Chrome Steel Bearings
Carbon Steel Bearings
Ceramic Bearings
Max Load (kgf)
Dyn:328
Stat:141
RPM (x1000):37
Shield / closure: Open Bearing, Z, ZZ, RS, 2RS,TT
Tolerance codes: ABEC-1, ABEC-3, ABEC-5, ABEC-7
Vibration level codes: V4, V3, V2, V1
Internal clearance codes: C2, C3, C4, C5
Material: AISI52100, AISI440C, AISI304, AISI316, Ceramic
Retainer: PTFE, Nylon, PEEK Or Stainless Steel
This bearing can be found with the following part numbers on it:
R6-2RS, R6 2RS, R6 RS, R6RS, R6-ZZ, R6 ZZ, R6ZZ, R6 Z
SSR6-2RS, SSR6 2RS, SSR6 RS, SSR6RS, SSR6-ZZ, SSR6 ZZ, SSR6ZZ, SSR6 Z
|
No.
|
Dimensions
|
Load Ratings
|
|||||||
|
Open
|
ZZ
|
2RS
|
d
|
D
|
width
|
r
|
Dynamic
|
Static
|
|
|
Open
|
ZZ.2RS
|
||||||||
|
R8
|
R8-ZZ
|
R8-2RS
|
12.700
|
28.575
|
6.350
|
7.938
|
0.3
|
5.10
|
2.38
|
|
R10
|
R10-ZZ
|
R10-2RS
|
15.875
|
34.925
|
7.140
|
8.730
|
0.3
|
6.00
|
3.25
|
|
R12
|
R12-ZZ
|
R12-2RS
|
19.050
|
41.275
|
7.938
|
11.112
|
0.6
|
9.38
|
5.02
|
|
R14
|
R14-ZZ
|
R14-2RS
|
22.225
|
47.625
|
9.525
|
12.700
|
0.6
|
10.00
|
5.85
|
|
R16
|
R16-ZZ
|
R16-2RS
|
25.400
|
50.800
|
9.525
|
12.700
|
0.6
|
10.00
|
5.85
|
|
R18
|
R18-ZZ
|
R18-2RS
|
28.575
|
53.975
|
9.525
|
12.700
|
1
|
13.20
|
8.30
|
|
R20
|
R20-ZZ
|
R20-2RS
|
31.750
|
57.150
|
9.525
|
12.700
|
1
|
13.20
|
8.30
|
|
R22
|
R22-ZZ
|
R22-2RS
|
34.925
|
63.500
|
11.112
|
14.288
|
1
|
16.20
|
10.50
|
|
R24
|
R24-ZZ
|
R24-2RS
|
38.100
|
66.675
|
11.112
|
14.288
|
1
|
17.03
|
11.70
|
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