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Deep Groove Ball Bearings
Angular Contact Ball Bearings
Special Environment Ball Bearings
Thrust Ball Bearings
Self-Aligning Ball Bearings
Spherical Roller Bearings
Tapered Roller Bearings
Cylindrical Roller Bearings
Needle Roller Bearings
Oil Seals
Semiconductor/FPD/
High-performance Film
Construction/Transportation/
Agricultural Machinery
Machine Tools
Renewable Energy
Steel Production Equipment
Automotive
Medical Equipment
Aircraft
Railroad Cars
Office/Home/Leisure
Download Catalogs
Repairs/replacement parts
Download CAD/
technical calculation
Product Support Brochure
Inquiries about purchase
Inquiries about
technical trouble/repair
Inquiries about others
Top of page
Product information
Machined ring needle roller bearings
Metric Series
Product
1
Machined ring needle roller bearings
Metric Series
Machined ring needle roller bearings
Metric Series
Standard type
All
Select Classification details
Non-contact sealed 2RU
Shielded ZZ
Contact sealed 2RS
Open type
Dimensions
Imperial (inch)
Metric (mm)
Bore diameter
Range
≤ d ≤
Exact
d =
Width
Range
≤ B ≤
Exact
B =
Outside diameter
Range
≤ D ≤
Exact
D =
161～171
/171
Machined ring needle roller bearings
Metric Series
Standard type
All
Bearing No.
R
ORDER
NO
FW
D
CU
CR
C0
C
NK7/10TN
Technical calculation tools
Contact Now
...
NK...
...
7
...
...
...
...
...
NK7/12TN
Technical calculation tools
Contact Now
...
NK...
...
7
...
...
...
...
...
NK8/12
Technical calculation tools
Contact Now
...
NK...
...
8
...
...
...
...
...
NK5/12TN
Technical calculation tools
Contact Now
...
NK...
...
5
...
...
...
...
...
NK6/10
Technical calculation tools
Contact Now
...
NK...
...
6
...
...
...
...
...
NK6/12TN
Technical calculation tools
Contact Now
...
NK...
...
6
...
...
...
...
...
NK5/10TN
Technical calculation tools
Contact Now
...
NK...
...
5
...
...
...
...
...
RNA4900A.2RS
Technical calculation tools
Contact Now
...
RN...
...
14
...
...
...
...
RNA4901A.2RS
Technical calculation tools
Contact Now
...
1.45
16
...
24
...
...
RNA4900ARS
Technical calculation tools
Contact Now
...
RN...
...
14
...
...
...
...
RNA4901ARS
Technical calculation tools
Contact Now
...
1.45
16
...
24
...
...
Bearing No.
R
ORDER
NO
FW
D
CU
CR
C0
C
NK7/10TN
Technical calculation tools
Contact Now
...
NK...
...
7
...
...
...
...
...
NK7/12TN
Technical calculation tools
Contact Now
...
NK...
...
7
...
...
...
...
...
NK8/12
Technical calculation tools
Contact Now
...
NK...
...
8
...
...
...
...
...
NK5/12TN
Technical calculation tools
Contact Now
...
NK...
...
5
...
...
...
...
...
NK6/10
Technical calculation tools
Contact Now
...
NK...
...
6
...
...
...
...
...
NK6/12TN
Technical calculation tools
Contact Now
...
NK...
...
6
...
...
...
...
...
NK5/10TN
Technical calculation tools
Contact Now
...
NK...
...
5
...
...
...
...
...
RNA4900A.2RS
Technical calculation tools
Contact Now
...
RN...
...
14
...
...
...
...
RNA4901A.2RS
Technical calculation tools
Contact Now
...
1.45
16
...
24
...
...
RNA4900ARS
Technical calculation tools
Contact Now
...
RN...
...
14
...
...
...
...
RNA4901ARS
Technical calculation tools
Contact Now
...
1.45
16
...
24
...
...
Bearing No.
R
ORDER
NO
FW
D
CU
CR
C0
C
NK7/10TN
Technical calculation tools
Contact Now
...
NK...
...
7
...
...
...
...
...
NK7/12TN
Technical calculation tools
Contact Now
...
NK...
...
7
...
...
...
...
...
NK8/12
Technical calculation tools
Contact Now
...
NK...
...
8
...
...
...
...
...
NK5/12TN
Technical calculation tools
Contact Now
...
NK...
...
5
...
...
...
...
...
NK6/10
Technical calculation tools
Contact Now
...
NK...
...
6
...
...
...
...
...
NK6/12TN
Technical calculation tools
Contact Now
...
NK...
...
6
...
...
...
...
...
NK5/10TN
Technical calculation tools
Contact Now
...
NK...
...
5
...
...
...
...
...
RNA4900A.2RS
Technical calculation tools
Contact Now
...
RN...
...
14
...
...
...
...
RNA4901A.2RS
Technical calculation tools
Contact Now
...
1.45
16
...
24
...
...
RNA4900ARS
Technical calculation tools
Contact Now
...
RN...
...
14
...
...
...
...
RNA4901ARS
Technical calculation tools
Contact Now
...
1.45
16
...
24
...
...
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Metric Series
NK, NKS, RNA48, RNA49, RNA69 Series Without Inner Ring
NKJ, NKJS, NA48, NA49, NA69 Series With Inner Ring
Steel Industry
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Loyal solutions for mining and processling
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Inquiries about
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Inquiries about others
