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British-system deep groove ball bearing(close-type)
 
enclosed bearing
Illustration:
1.Open bearing means bearing without any gland bonnet.
2.Enclosed bearing means bearing with gland bonnet on both sides. ZZ indicates meter flashing. Customers can choose their own gland bonnet according to their own needs.
3.When it comes to the same size of bearing, customers can choose different materials and grades.
4.The following sizes are basic sizes of bearing according to international standard. If customers have different requirements, we can customize.
5.The same bearing can share different code names and callings. Please make sure the bearing size you need.
type |
internal diameter
(d) |
outside diameter
(D) |
width
(b) |
fundamental grade of?
rated
dynamic loadingCr
(N) |
fundamental grade of? rated
static loading
Cor(N) |
allowable
rotary
amount
(*1000rpm) |
weight
(g) |
steel shields |
rubber seals |
mm |
in |
mm |
in |
mm |
in |
Grease |
Oil |
R1212ZZ |
R1212 2RS |
12.7 |
1/2" |
19.05 |
3/4" |
3.967 |
5/32" |
898 |
524 |
16 |
26 |
3.49 |
R8ZZ |
R8 2RS |
28.575 |
1-
1/8" |
7.938 |
5/16" |
2108 |
2415 |
22 |
32 |
11.6 |
1616ZZ |
1616 2RS |
28.575 |
1-
1/8" |
9.525 |
3/8" |
3920 |
2240 |
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30 |
1621ZZ |
1621 2RS |
34.925 |
1-
3/8" |
11.11 |
7/16" |
5880 |
3470 |
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48 |
RLS4ZZ |
RLS4 2RS |
33.338 |
1-5/16" |
9.525 |
3/8" |
5200 |
3800 |
14 |
24 |
30 |
RMS4ZZ |
RMS4 2RS |
41.275 |
1-5/8" |
15.88 |
5/8" |
9000 |
5700 |
11 |
21 |
100 |
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1622ZZ |
1622 2RS |
14.288 |
9/16" |
34.925 |
1-3/8" |
11.11 |
7/16" |
5880 |
3470 |
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46 |
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Contact |
Tel:057487337032
057487336915
013245572640
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Fax:057487336915
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Email: info@okbearings.com
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Address:宁波市中山东路284弄35号 |
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