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Metric
Bearings Self Aligning Ball Bearings
View our extensive range of metric self aligning ball bearings here at Bearingboys, suitable for applications where shaft misalignments are expected. These bearings have two ball rows with a common concave raceway, making them self-aligning and insensitive to angular issues. With brands like SKF, NSK, FAG and more, we stock all popular sizes from 5mm to 120mm bore diameters. Self aligning bearings offer very low friction, enabling high speed operation. We also stock sealed versions for contaminated environments. Please call or email us if you need help selecting the right bearing.
Measuring Bearings - How to Measure and Choose the Correct Bearing Type - Help Article
Self Aligning Ball Bearings - Technical Information on Self Aligning Ball Bearings - Help Article
Self Aligning Ball Bearings - Technical Information on Self Aligning Ball Bearings - Help Article
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Bore Type
Parallel
Parallel
Brand
NSK
NSK
Clearance
Standard
Standard
Inside Dia
20mm
20mm
Outside Dia
52mm
52mm
Reference Speed
26000rpm
26000rpm
Width
15mm
15mm
Bore Type
Parallel
Parallel
Brand
SKF
SKF
Clearance
C3
C3
Inside Dia
50mm
50mm
Outside Dia
110mm
110mm
Reference Speed
12000rpm
12000rpm
Width
27mm
27mm
Bore Type
Tapered
Tapered
Brand
NSK
NSK
Clearance
C3
C3
Inside Dia
65mm
65mm
Outside Dia
120mm
120mm
Reference Speed
10000rpm
10000rpm
Width
31mm
31mm
Bore Type
Parallel
Parallel
Brand
SKF
SKF
Clearance
C3
C3
Inside Dia
60mm
60mm
Outside Dia
130mm
130mm
Reference Speed
9000rpm
9000rpm
Width
31mm
31mm
Bore Type
Taper
Taper
Brand
SKF
SKF
Clearance
C3
C3
Inside Dia
30mm
30mm
Outside Dia
72mm
72mm
Reference Speed
19000rpm
19000rpm
Width
19mm
19mm
Bore Type
Taper
Taper
Brand
SKF
SKF
Clearance
C3
C3
Inside Dia
40mm
40mm
Outside Dia
80mm
80mm
Reference Speed
18000rpm
18000rpm
Width
18mm
18mm
Brand
Budget
Budget
Clearance
Standard
Standard
Inside Dia
85mm
85mm
Outside Dia
150mm
150mm
Width
36mm
36mm
Bore Type
Parallel
Parallel
Brand
SKF
SKF
Clearance
Standard
Standard
Inside Dia
55mm
55mm
Outside Dia
100mm
100mm
Width
25mm
25mm
Ball rows
Double row bearing
Double row bearing
Bore
Cylindrical bore
Cylindrical bore
Brand
SKF
SKF
Cage
Sheet steel cage
Sheet steel cage
Clearance
C3
C3
Inner ring
Standard version
Standard version
Inside Dia
65mm
65mm
Material
Standard bearing steel
Standard bearing steel
Outside Dia
140mm
140mm
Product Type
Bearings
Bearings
Seal
None, open bearing
None, open bearing
Width
48mm
48mm
Brand
Budget
Budget
Clearance
Standard
Standard
Inside Dia
45mm
45mm
Outside Dia
100mm
100mm
Width
36mm
36mm
Brand
Budget
Budget
Clearance
Standard
Standard
Inside Dia
35mm
35mm
Outside Dia
72mm
72mm
Width
17mm
17mm
Bore Type
Parallel
Parallel
Brand
FAG
FAG
Clearance
Standard
Standard
Inside Dia
7mm
7mm
Outside Dia
22mm
22mm
Reference Speed
63000rpm
63000rpm
Width
7mm
7mm
Bore Type
Parallel
Parallel
Brand
FAG
FAG
Clearance
Standard
Standard
Inside Dia
50mm
50mm
Outside Dia
110mm
110mm
Reference Speed
12000rpm
12000rpm
Width
27mm
27mm
Bore Type
Parallel
Parallel
Brand
SKF
SKF
Clearance
Standard
Standard
Inside Dia
110mm
110mm
Outside Dia
200mm
200mm
Reference Speed
6700rpm
6700rpm
Width
38mm
38mm
Brand
Budget
Budget
Clearance
Standard
Standard
Inside Dia
50mm
50mm
Outside Dia
90mm
90mm
Width
20mm
20mm
Bore Type
Tapered
Tapered
Brand
SKF
SKF
Clearance
Standard
Standard
Inside Dia
100mm
100mm
Outside Dia
180mm
180mm
Reference Speed
7500rpm
7500rpm
Width
34mm
34mm
Bore Type
Parallel
Parallel
Brand
NSK
NSK
Clearance
C3
C3
Inside Dia
12mm
12mm
Outside Dia
32mm
32mm
Reference Speed
50000rpm
50000rpm
Width
10mm
10mm
Brand
Budget
Budget
Clearance
Standard
Standard
Inside Dia
20mm
20mm
Outside Dia
52mm
52mm
Width
21mm
21mm
Bore Type
Taper
Taper
Brand
SKF
SKF
Clearance
C3
C3
Inside Dia
25mm
25mm
Outside Dia
52mm
52mm
Reference Speed
26000rpm
26000rpm
Width
18mm
18mm
Bore Type
Parallel
Parallel
Brand
FAG
FAG
Clearance
C3
C3
Inside Dia
15mm
15mm
Outside Dia
35mm
35mm
Reference Speed
45000rpm
45000rpm
Width
11mm
11mm
Bore Type
Taper
Taper
Brand
SKF
SKF
Clearance
Standard
Standard
Inside Dia
30mm
30mm
Outside Dia
62mm
62mm
Reference Speed
22000rpm
22000rpm
Width
20mm
20mm
Bore Type
Parallel
Parallel
Brand
SKF
SKF
Clearance
Standard
Standard
Inside Dia
85mm
85mm
Outside Dia
150mm
150mm
Reference Speed
8000rpm
8000rpm
Width
36mm
36mm
Bore Type
Tapered
Tapered
Brand
NSK
NSK
Clearance
Standard
Standard
Inside Dia
20mm
20mm
Outside Dia
47mm
47mm
Reference Speed
32000rpm
32000rpm
Width
14mm
14mm
Bore Type
Parallel
Parallel
Brand
NSK
NSK
Clearance
Standard
Standard
Inside Dia
20mm
20mm
Outside Dia
47mm
47mm
Reference Speed
28000rpm
28000rpm
Width
18mm
18mm
Bore Type
Parallel
Parallel
Brand
NSK
NSK
Clearance
Standard
Standard
Inside Dia
45mm
45mm
Outside Dia
85mm
85mm
Reference Speed
15000rpm
15000rpm
Width
23mm
23mm
Bore Type
Tapered
Tapered
Brand
NSK
NSK
Clearance
Standard
Standard
Inside Dia
45mm
45mm
Outside Dia
85mm
85mm
Reference Speed
15000rpm
15000rpm
Width
23mm
23mm
Brand
Budget
Budget
Clearance
Standard
Standard
Inside Dia
65mm
65mm
Outside Dia
140mm
140mm
Width
48mm
48mm
Brand
Budget
Budget
Clearance
Standard
Standard
Inside Dia
65mm
65mm
Outside Dia
140mm
140mm
Width
33mm
33mm
Bore Type
Parallel
Parallel
Brand
NSK
NSK
Clearance
C3
C3
Inside Dia
35mm
35mm
Outside Dia
72mm
72mm
Reference Speed
20000rpm
20000rpm
Width
17mm
17mm
Bore Type
Parallel
Parallel
Brand
FAG
FAG
Clearance
Standard
Standard
Inside Dia
30mm
30mm
Outside Dia
72mm
72mm
Reference Speed
19000rpm
19000rpm
Width
19mm
19mm
Bore Type
Parallel
Parallel
Brand
NSK
NSK
Clearance
C3
C3
Inside Dia
45mm
45mm
Outside Dia
85mm
85mm
Reference Speed
14000rpm
14000rpm
Width
19mm
19mm
Bore Type
Taper
Taper
Brand
NSK
NSK
Clearance
Standard
Standard
Inside Dia
40mm
40mm
Outside Dia
80mm
80mm
Reference Speed
18000rpm
18000rpm
Width
18mm
18mm
Bore Type
Parallel
Parallel
Brand
FAG
FAG
Clearance
Standard
Standard
Inside Dia
45mm
45mm
Outside Dia
85mm
85mm
Reference Speed
15000rpm
15000rpm
Width
23mm
23mm
Bore Type
Parallel
Parallel
Brand
SKF
SKF
Clearance
Standard
Standard
Inside Dia
75mm
75mm
Outside Dia
130mm
130mm
Reference Speed
9000rpm
9000rpm
Width
31mm
31mm
Bore Type
Parallel
Parallel
Brand
NSK
NSK
Clearance
Standard
Standard
Inside Dia
30mm
30mm
Outside Dia
72mm
72mm
Reference Speed
19000rpm
19000rpm
Width
19mm
19mm
Bore Type
Parallel
Parallel
Brand
FAG
FAG
Clearance
Standard
Standard
Inside Dia
45mm
45mm
Outside Dia
85mm
85mm
Reference Speed
14000rpm
14000rpm
Width
19mm
19mm
Bore Type
Parallel
Parallel
Brand
SKF
SKF
Clearance
Standard
Standard
Inside Dia
80mm
80mm
Outside Dia
140mm
140mm
Reference Speed
9500rpm
9500rpm
Width
26mm
26mm
Bore Type
Tapered
Tapered
Brand
FAG
FAG
Clearance
C3
C3
Inside Dia
80mm
80mm
Outside Dia
140mm
140mm
Reference Speed
8500rpm
8500rpm
Width
33mm
33mm
Bore Type
Parallel
Parallel
Brand
FAG
FAG
Clearance
C3
C3
Inside Dia
85mm
85mm
Outside Dia
150mm
150mm
Reference Speed
8000rpm
8000rpm
Width
36mm
36mm
Bore Type
Tapered
Tapered
Brand
NSK
NSK
Clearance
Standard
Standard
Inside Dia
85mm
85mm
Outside Dia
150mm
150mm
Reference Speed
8000rpm
8000rpm
Width
36mm
36mm
Bore Type
Parallel
Parallel
Brand
NSK
NSK
Clearance
C3
C3
Inside Dia
65mm
65mm
Outside Dia
120mm
120mm
Reference Speed
10000rpm
10000rpm
Width
31mm
31mm
Brand
Budget
Budget
Clearance
Standard
Standard
Inside Dia
75mm
75mm
Outside Dia
160mm
160mm
Width
55mm
55mm
Bore Type
Parallel
Parallel
Brand
FAG
FAG
Clearance
Standard
Standard
Inside Dia
70mm
70mm
Outside Dia
125mm
125mm
Reference Speed
10000rpm
10000rpm
Width
31mm
31mm
Bore Type
Parallel
Parallel
Brand
NSK
NSK
Clearance
Standard
Standard
Inside Dia
70mm
70mm
Outside Dia
125mm
125mm
Reference Speed
10000rpm
10000rpm
Width
31mm
31mm
Bore Type
Parallel
Parallel
Brand
NSK
NSK
Clearance
Standard
Standard
Inside Dia
85mm
85mm
Outside Dia
150mm
150mm
Reference Speed
8000rpm
8000rpm
Width
36mm
36mm
Bore Type
Tapered
Tapered
Brand
NSK
NSK
Clearance
Standard
Standard
Inside Dia
65mm
65mm
Outside Dia
120mm
120mm
Reference Speed
10000rpm
10000rpm
Width
31mm
31mm
Bore Type
Tapered
Tapered
Brand
NSK
NSK
Clearance
C3
C3
Inside Dia
65mm
65mm
Outside Dia
120mm
120mm
Reference Speed
10000rpm
10000rpm
Width
31mm
31mm
Bore Type
Parallel
Parallel
Brand
FAG
FAG
Clearance
C3
C3
Inside Dia
70mm
70mm
Outside Dia
125mm
125mm
Reference Speed
10000rpm
10000rpm
Width
31mm
31mm
Bore Type
Parallel
Parallel
Brand
NSK
NSK
Clearance
C3
C3
Inside Dia
70mm
70mm
Outside Dia
125mm
125mm
Reference Speed
10000rpm
10000rpm
Width
31mm
31mm
Bore Type
Tapered
Tapered
Brand
FAG
FAG
Clearance
C3
C3
Inside Dia
65mm
65mm
Outside Dia
120mm
120mm
Reference Speed
10000rpm
10000rpm
Width
31mm
31mm
