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NA Series
Bearings Needle Roller Bearings Machined Needle Roller Bearings
Explore our comprehensive range of NA Series needle roller bearings, featuring precision-engineered components with inner rings designed for optimal performance in demanding industrial applications. These bearings are distinguished by their low sectional height and exceptional load-carrying capacity, making them ideal for applications where space is limited but high performance is essential. Available from leading manufacturers including SKF, IKO, and Budget brands, these bearings come in a wide range of sizes from 5mm to 360mm inner diameter and feature precise dimensional accuracy for reliable operation. With options for sealed designs (-2RS suffix) and various width configurations, our NA Series bearings offer excellent load distribution through their accurately guided cage design.
Brand
IKO
IKO
F
390mm
390mm
Inside Dia (d)
360mm
360mm
Interchangeable With
NA4872
NA4872
Outside Dia (D)
440mm
440mm
Width (B)
80mm
80mm
Brand
IKO
IKO
F
370mm
370mm
Inside Dia (d)
340mm
340mm
Interchangeable With
NA4868
NA4868
Outside Dia (D)
420mm
420mm
Width (B)
80mm
80mm
Brand
IKO
IKO
F
350mm
350mm
Inside Dia (d)
320mm
320mm
Interchangeable With
NA4864
NA4864
Outside Dia (D)
400mm
400mm
Width (B)
80mm
80mm
Brand
IKO
IKO
F
330mm
330mm
Inside Dia (d)
300mm
300mm
Interchangeable With
NA4860
NA4860
Outside Dia (D)
380mm
380mm
Width (B)
80mm
80mm
Brand
IKO
IKO
F
305mm
305mm
Inside Dia (d)
280mm
280mm
Interchangeable With
NA4856
NA4856
Outside Dia (D)
350mm
350mm
Width (B)
69mm
69mm
Brand
IKO
IKO
F
285mm
285mm
Inside Dia (d)
260mm
260mm
Interchangeable With
NA4852
NA4852
Outside Dia (D)
320mm
320mm
Width (B)
60mm
60mm
Brand
IKO
IKO
F
265mm
265mm
Inside Dia (d)
240mm
240mm
Interchangeable With
NA4848
NA4848
Outside Dia (D)
300mm
300mm
Width (B)
60mm
60mm
Brand
IKO
IKO
F
240mm
240mm
Inside Dia (d)
220mm
220mm
Interchangeable With
NA4844
NA4844
Outside Dia (D)
270mm
270mm
Width (B)
50mm
50mm
Brand
IKO
IKO
F
220mm
220mm
Inside Dia (d)
200mm
200mm
Interchangeable With
NA4840
NA4840
Outside Dia (D)
250mm
250mm
Width (B)
50mm
50mm
Brand
IKO
IKO
F
210mm
210mm
Inside Dia (d)
190mm
190mm
Interchangeable With
NA4838
NA4838
Outside Dia (D)
240mm
240mm
Width (B)
50mm
50mm
Brand
IKO
IKO
Inside Dia (d)
170mm
170mm
Interchangeable With
NA4934
NA4934
Outside Dia (D)
230mm
230mm
Width (B)
60mm
60mm
Brand
IKO
IKO
F
195mm
195mm
Inside Dia (d)
180mm
180mm
Interchangeable With
NA4836
NA4836
Outside Dia (D)
225mm
225mm
Width (B)
45mm
45mm
Brand
IKO
IKO
F
185mm
185mm
Inside Dia (d)
170mm
170mm
Interchangeable With
NA4834
NA4834
Outside Dia (D)
215mm
215mm
Width (B)
45mm
45mm
Brand
IKO
IKO
Inside Dia (d)
150mm
150mm
Interchangeable With
NA4930
NA4930
Outside Dia (D)
210mm
210mm
Width (B)
60mm
60mm
Brand
IKO
IKO
F
175mm
175mm
Inside Dia (d)
160mm
160mm
Interchangeable With
NA4832
NA4832
Outside Dia (D)
200mm
200mm
Width (B)
40mm
40mm
Brand
IKO
IKO
F
165mm
165mm
Inside Dia (d)
150mm
150mm
Interchangeable With
NA4830
NA4830
Outside Dia (D)
190mm
190mm
Width (B)
40mm
40mm
Brand
IKO
IKO
F
160mm
160mm
Inside Dia (d)
140mm
140mm
Interchangeable With
NA4928
NA4928
Outside Dia (D)
190mm
190mm
Width (B)
50mm
50mm
Brand
IKO
IKO
F
150mm
150mm
Inside Dia (d)
130mm
130mm
Interchangeable With
NA4926
NA4926
Outside Dia (D)
180mm
180mm
Width (B)
50mm
50mm
Brand
IKO
IKO
Inside Dia (d)
110mm
110mm
Interchangeable With
NA4922-2RS
NA4922-2RS
Outside Dia (D)
150mm
150mm
Width (B)
40mm
40mm
Brand
IKO
IKO
F
155mm
155mm
Inside Dia (d)
140mm
140mm
Interchangeable With
NA4828
NA4828
Outside Dia (D)
175mm
175mm
Width (B)
35mm
35mm
Brand
IKO
IKO
Inside Dia (d)
90mm
90mm
Interchangeable With
NA6918-2RS
NA6918-2RS
Outside Dia (D)
125mm
125mm
Width (B)
64mm
64mm
Brand
IKO
IKO
F
135mm
135mm
Inside Dia (d)
120mm
120mm
Interchangeable With
NA4924
NA4924
Outside Dia (D)
165mm
165mm
Width (B)
45mm
45mm
Brand
Budget
Budget
Inside Dia (d)
220mm
220mm
Outside Dia (D)
270mm
270mm
Width (B)
50mm
50mm
Brand
Budget
Budget
Inside Dia (d)
200mm
200mm
Outside Dia (D)
250mm
250mm
Width (B)
50mm
50mm
Brand
IKO
IKO
Inside Dia (d)
95mm
95mm
Interchangeable With
NA6919
NA6919
Outside Dia (D)
130mm
130mm
Width (B)
63mm
63mm
Brand
IKO
IKO
F
145mm
145mm
Inside Dia (d)
130mm
130mm
Interchangeable With
NA4826
NA4826
Outside Dia (D)
165mm
165mm
Width (B)
35mm
35mm
Brand
Budget
Budget
Inside Dia (d)
190mm
190mm
Outside Dia (D)
240mm
240mm
Width (B)
50mm
50mm
Brand
IKO
IKO
Inside Dia (d)
100mm
100mm
Interchangeable With
NA4920-2RS
NA4920-2RS
Outside Dia (D)
140mm
140mm
Width (B)
40mm
40mm
Brand
IKO
IKO
F
125mm
125mm
Inside Dia (d)
110mm
110mm
Interchangeable With
NA4922
NA4922
Outside Dia (D)
150mm
150mm
Width (B)
40mm
40mm
Brand
IKO
IKO
Inside Dia (d)
90mm
90mm
Interchangeable With
NA6918
NA6918
Outside Dia (D)
125mm
125mm
Width (B)
63mm
63mm
Brand
IKO
IKO
F
130mm
130mm
Inside Dia (d)
120mm
120mm
Interchangeable With
NA4824
NA4824
Outside Dia (D)
150mm
150mm
Width (B)
30mm
30mm
Brand
Budget
Budget
Inside Dia (d)
180mm
180mm
Outside Dia (D)
225mm
225mm
Width (B)
45mm
45mm
Brand
Budget
Budget
Inside Dia (d)
170mm
170mm
Outside Dia (D)
215mm
215mm
Width (B)
45mm
45mm
Brand
IKO
IKO
Inside Dia (d)
90mm
90mm
Interchangeable With
NA4918-2RS
NA4918-2RS
Outside Dia (D)
125mm
125mm
Width (B)
35mm
35mm
Brand
IKO
IKO
Inside Dia (d)
85mm
85mm
Interchangeable With
NA6917
NA6917
Outside Dia (D)
120mm
120mm
Width (B)
63mm
63mm
Brand
IKO
IKO
Inside Dia (d)
95mm
95mm
Interchangeable With
NA4919-2RS
NA4919-2RS
Outside Dia (D)
130mm
130mm
Width (B)
36mm
36mm
Brand
IKO
IKO
F
120mm
120mm
Inside Dia (d)
110mm
110mm
Interchangeable With
NA4822
NA4822
Outside Dia (D)
140mm
140mm
Width (B)
30mm
30mm
Brand
IKO
IKO
F
115mm
115mm
Inside Dia (d)
100mm
100mm
Interchangeable With
NA4920
NA4920
Outside Dia (D)
140mm
140mm
Width (B)
40mm
40mm
Brand
IKO
IKO
Inside Dia (d)
70mm
70mm
Interchangeable With
NA6914-2RS
NA6914-2RS
Outside Dia (D)
100mm
100mm
Width (B)
54mm
54mm
Brand
IKO
IKO
Inside Dia (d)
80mm
80mm
Interchangeable With
NA6916
NA6916
Outside Dia (D)
110mm
110mm
Width (B)
54mm
54mm
Brand
IKO
IKO
Inside Dia (d)
85mm
85mm
Interchangeable With
NA4917-2RS
NA4917-2RS
Outside Dia (D)
120mm
120mm
Width (B)
35mm
35mm
Brand
IKO
IKO
F
110mm
110mm
Inside Dia (d)
95mm
95mm
Interchangeable With
NA4919
NA4919
Outside Dia (D)
130mm
130mm
Width (B)
35mm
35mm
Brand
IKO
IKO
Inside Dia (d)
75mm
75mm
Interchangeable With
NA6915
NA6915
Outside Dia (D)
105mm
105mm
Width (B)
54mm
54mm
Brand
IKO
IKO
Inside Dia (d)
70mm
70mm
Interchangeable With
NA6914
NA6914
Outside Dia (D)
100mm
100mm
Width (B)
54mm
54mm
Brand
IKO
IKO
F
105mm
105mm
Inside Dia (d)
90mm
90mm
Interchangeable With
NA4918
NA4918
Outside Dia (D)
125mm
125mm
Width (B)
35mm
35mm
Brand
Budget
Budget
Inside Dia (d)
160mm
160mm
Outside Dia (D)
200mm
200mm
Width (B)
40mm
40mm
Brand
IKO
IKO
Inside Dia (d)
80mm
80mm
Interchangeable With
NA4916-2RS
NA4916-2RS
Outside Dia (D)
110mm
110mm
Width (B)
31mm
31mm
Brand
Budget
Budget
Inside Dia (d)
140mm
140mm
Outside Dia (D)
190mm
190mm
Width (B)
50mm
50mm
Brand
Budget
Budget
Inside Dia (d)
130mm
130mm
Outside Dia (D)
180mm
180mm
Width (B)
50mm
50mm
Brand
IKO
IKO
Inside Dia (d)
60mm
60mm
Interchangeable With
NA6912-2RS
NA6912-2RS
Outside Dia (D)
85mm
85mm
Width (B)
45mm
45mm
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