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Needle roller Bearing with Inner ring

Needle roller Bearing with Inner ring

Product Description

Heavy Duty Needle Roller Bearing With Inner Ring is suitable for applications with the Shaft can not act as raceway.
Structures of various series: NKI, NKIS, NA49, NA69, NA48.

Needle roller Bearings
Heavy Duty Needle Roller Bearings With Inner Ring



Shaft Bearing Designation Wt. Boundary Dimensions (mm)
Dia (mm) NKI NKIS NA 49 NA69 Old No. (g) d FW D B
8 - NKIS8 - - - 46 8 14 25 16
9 NKI9/12 - - - - 14.6 9 12 19 12
10 NKI10/16 - - - - 27.3 10 14 22 16
- - NA4900 - 4524900 21 10 14 22 13
- - - NA69 6534900 38.4 10 14 22 22
12 - - NA4901 - 4524901 25.1 12 16 24 13
NKI12/20 - - - - 39 12 16 24 20
- - - NA6901 6534901 44.5 12 16 24 22
- NKIS12 - - - 58 12 18 30 16
15 NKI15/16 - - - - 38 15 19 27 16
NKI15/20 - - - - 45.7 15 19 27 20
- - NA4902 - 4524902 32 15 20 28 13
- - - NA6902 6534902 61.6 15 20 28 23
- NKIS15 - - - 90 15 22 35 20
17 NKI17/16 - - - - 41.4 17 21 29 16
- - NA4903 - 4544903 32.8 17 22 30 13
- - - NA6903 6534903 68.2 17 22 30 23
20 NKI20/16 - - - - 48.5 20 24 32 16
- - NA4904 - 4524904 70.2 20 25 37 17
- NKIS20 - - - 119 20 28 42 20
22 NKI22/16 - - - - 50 22 25 34 16
- - NA49/22 - - 76 22 28 39 17
- - - NA69/22 - 130 22 28 39 30
25 NKI25/30 - - - - 115 25 29 38 30
- - NA4905 - 4524905 76 25 30 42 17
- - - NA6905 6534905 138 25 30 42 30
- NKIS25 - - - 160 25 32 47 22
28 - - NA49/28 - 45449/28 90.7 28 32 45 17
- - - NA69/28 - 170 28 32 45 30
32 NKI32/20 - - - - 101 32 35 45 20
- - NA49/32 - 45449/32 150 32 40 52 20
- - - NA69/32 66349/32 272 32 40 52 36
35 NKI35/30 - - - - 165 35 40 50 30
- - NA4907 - 4524907 151 35 42 55 20
- - - NA6907 6534907 301 35 42 55 36
- NKIS35 - - - 210 35 42 58 22
40 NKI40/20 - - - - 124 40 45 55 20
NKI40/30 - - - - 184 40 45 55 30
- - NA4908 - 4544908 123 40 48 62 22
- - - NA6908 6534908 401 40 48 62 40
42 NKI42/20 - - - - 138 42 47 57 20
45 NKI45/25 - - - - 218 45 50 62 25
NKI45/35 - - - - 289 45 50 62 35
- - NA4909 - 4544909 260 45 50 68 22
- - - NA6909 6534909 479 45 50 68 40
- NKIS45 - - - 306 45 55 72 22
50 NKI50/25 - - - - 262 50 55 68 25
- - NA4910 - 4544910 264 50 58 72 22
- - - NA6910 6534910 457 50 58 72 40
- NKIS50 - - - 510 50 60 80 28
55 NKI55/35 - - - - 357 55 60 72 35
- - NA4911 - 4544911 386 55 63 80 25
- - - NA6911 6534911 760 55 63 80 45
60 NKI60/25 - - - - 388 60 68 82 25
- - NA4912 - 4544912 412 60 68 85 25
- - - NA6912 6534912 798 60 68 85 45
- NKIS60 - - - 550 60 70 90 28
65 - - NA4913 - 4544913 435 65 72 90 25
- - - NA6913 6534913 821 65 72 90 45
70 - - NA4914 - 4544914 712 70 80 100 30
- - - NA6914 6534914 1326 70 80 100 54
75 - - NA4915 - 4544915 765 75 85 105 30
- - - NA6915 6534915 1429 75 85 105 54
80 - - NA4916 - 4544916 870 80 90 110 30
- - - NA6916 6534916 1510 80 90 110 54
85 - - NA4917 - 4544917 1250 85 100 120 35
- - - NA6917 6534917 2200 85 100 120 63
90 - - NA4918 - 4544918 1312 90 105 125 35
- - - NA6918 6534918 2310 90 105 125 63
95 - - NA4919 - 4544919 1371 95 110 130 35
- - - NA6919 6534919 2500 95 110 130 63
100 - - NA4920 - 4544920 1900 100 115 140 40
110 - - NA4922 - 4544922 2070 110 125 150 40
- - - NA4822 1080 110 120 140 30
120 - - NA4924 - 4544924 2860 120 135 165 45
- - - NA4824 1170 120 130 150 30
130 - - NA4926 - 4544926 3900 130 150 180 50
- - - NA4826 1810 130 145 165 35
140 - - NA4928 - 4544928 4150 140 160 190 50
- - - NA4828 1920 140 155 175 35
1),TN=plastic cage,permissible operating temperature:120oC(Continuous operation)
2),Limiting speed for oil lubrication,for grease lubrication,60% of the values given in the table is permisible.

Ningbo Borine Machinery Co.,Ltd.

 Ningbo Borine Machinery Co.,Ltd. was founded in 1999, is a private enterprise specialized in researching and manufacturing Bearings, Farm replacement parts and Unstandard machinery parts. The main products include Agricultural Bearings, Thrust Ball Bearings, Deep Groove Ball Bearings, Insert ball bearings&Units, Tapered roller bearings, Spherical plain bearings, Needle roller bearings, Self-aligning bearings, Chains(special Agricultural Chains), Sprockets, Farm replacement parts, Stamped parts etc. We also a professional exporter of power transmission parts and machinery parts. It is including Gears, Gear Boxes, Shaft, V-Belts, Oil Seals, Iron Castings, Forgings etc. With advanced equipment&management,powerful technique, strictly quality control, we have passed certification of ISO9001:2008. After years of exploration,products have been exported to America, Europe, Australia, South-East Aisa, Middle East OEM market and After Service market. We are able to provide a solution, perfectly matched to the customer application. Our experienced staff and powerful technical support guarantee your products running free of trouble. We not only meet the demands of our customers, but also suggest ways to improve product's design. "Cooperation ", "honesty" and "Mutual Benefit" is our principle.

Company Info

  • Company Name: Ningbo Borine Machinery Co.,Ltd.
  • Representative: Mr.Bolin
  • Product/Service: Agricultural Bearings , Agricultural Chain , Farm Replacement Parts , Case-IH Repalcement Parts , John Deere Repalcement Parts , Great Plains Planter Parts
  • Capital (Million US $): 500000USD
  • Year Established: 1999
  • Total Annual Sales Volume (Million US $): Above US$100 Million
  • Export Percentage: 71% - 80%
  • Total Annual Purchase Volume (Million US $): US$50 Million - US$100 Million
  • No. of Production Lines: 10
  • No. of R&D Staff: 11 -20 People
  • No. of QC Staff: 11 -20 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): 3,000-5,000 square meters
  • Factory Location: Jiangdong District, Ningbo, China
  • Contact Person: Mr. Bolin
  • Tel: 86-574-87475986
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