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Imperial Ball Bearings
Bearings Ball Bearings
View our range of imperial ball bearings.. At Bearingboys, we have imperial sealed bearings, KLNJ bearings, LJ imperial bearings and MJ ball bearings. As imperial ball bearings are made in inches, it is useful to match previous British machines and present American ones with the right bearings. If you cannot find what you need please contact us and we will do our best to locate what you want.
Measuring Bearings - How to Measure and Choose the Correct Bearing Type - Help Article
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Deep Groove Ball Bearings - Deep Groove Ball Bearings - Help Article
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Metric Oil Seals
Imperial Oil Seals
Dunlop & Budget Ball Bearings
SKF Ball Bearings
Brand
SKF
SKF
Dynamic Load
6950N
6950N
Inside Dia
12.7mm = 1/2inch
12.7mm = 1/2inch
Outside Dia
33.337mm = 1.5/16inch
33.337mm = 1.5/16inch
RPM Grease
21000
21000
RPM Oil
28500
28500
Sealing
Open
Open
Static Load
3220N
3220N
Width
9.525mm = 3/8inch
9.525mm = 3/8inch
Brand
Budget
Budget
Inside Dia
31.75mm = 1.1/4inch
31.75mm = 1.1/4inch
Outside Dia
63.5mm = 2.1/2inch
63.5mm = 2.1/2inch
Sealing
Sealed
Sealed
Width
15.875mm = 5/8inch
15.875mm = 5/8inch
Brand
Budget
Budget
Dynamic Load
12000N
12000N
Inside Dia
22.225mm = 7/8inch
22.225mm = 7/8inch
Outside Dia
47.63mm = 1.7/8inch
47.63mm = 1.7/8inch
RPM Grease
14800
14800
RPM Oil
22000
22000
Sealing
Shielded
Shielded
Static Load
6400N
6400N
Width
12.7mm = 1/2inch
12.7mm = 1/2inch
Brand
Budget
Budget
Inside Dia
7.9375mm = 5/16inch
7.9375mm = 5/16inch
Outside Dia
22.225mm = 7/8inch
22.225mm = 7/8inch
Sealing
Shielded
Shielded
Width
7.14375mm = 9/32inch
7.14375mm = 9/32inch
Brand
Budget
Budget
Dynamic Load
85000N
85000N
Inside Dia
57.15mm = 2.1/4inch
57.15mm = 2.1/4inch
Outside Dia
127mm = 5inch
127mm = 5inch
RPM Grease
5900
5900
RPM Oil
8000
8000
Sealing
Open
Open
Static Load
51500N
51500N
Width
31.75mm = 1.1/4inch
31.75mm = 1.1/4inch
Brand
Budget
Budget
Dynamic Load
69000N
69000N
Inside Dia
50.8mm = 2inch
50.8mm = 2inch
Outside Dia
114.3mm = 4.1/2inch
114.3mm = 4.1/2inch
RPM Grease
6600
6600
RPM Oil
8900
8900
Sealing
Open
Open
Static Load
41000N
41000N
Width
26.99mm = 1.1/16inch
26.99mm = 1.1/16inch
Brand
Budget
Budget
Inside Dia
6.35mm = 1/4inch
6.35mm = 1/4inch
Outside Dia
12.7mm = 1/2inch
12.7mm = 1/2inch
Sealing
Shielded
Shielded
Width
4.7498mm = 0.187inch
4.7498mm = 0.187inch
Brand
Budget
Budget
Inside Dia
7.9375mm = 5/16inch
7.9375mm = 5/16inch
Outside Dia
23.018mm = 29/32inch
23.018mm = 29/32inch
Sealing
Sealed
Sealed
Width
7.9375mm = 5/16inch
7.9375mm = 5/16inch
Brand
Budget
Budget
Dynamic Load
96500N
96500N
Inside Dia
63.5mm = 2.1/2inch
63.5mm = 2.1/2inch
Outside Dia
139.7mm = 5.1/2inch
139.7mm = 5.1/2inch
RPM Grease
5300
5300
RPM Oil
7100
7100
Sealing
Open
Open
Static Load
60000N
60000N
Width
31.75mm = 1.1/4inch
31.75mm = 1.1/4inch
Brand
Budget
Budget
Inside Dia
7.9375mm = 5/16inch
7.9375mm = 5/16inch
Outside Dia
22.225mm = 7/8inch
22.225mm = 7/8inch
Sealing
Sealed
Sealed
Width
8.73125mm = 11/32inch
8.73125mm = 11/32inch
Brand
SKF
SKF
Dynamic Load
14200N
14200N
Inside Dia
19.05mm = 3/4inch
19.05mm = 3/4inch
Outside Dia
47.63mm = 1.7/8inch
47.63mm = 1.7/8inch
RPM Grease
15500
15500
RPM Oil
21000
21000
Sealing
Shielded
Shielded
Static Load
6700N
6700N
Width
14.2875mm = 9/16inch
14.2875mm = 9/16inch
Brand
Budget
Budget
Dynamic Load
30200N
30200N
Inside Dia
34.925mm = 1.3/8inch
34.925mm = 1.3/8inch
Outside Dia
76.2mm = 3inch
76.2mm = 3inch
RPM Grease
9800
9800
RPM Oil
13200
13200
Sealing
Shielded
Shielded
Static Load
17500N
17500N
Width
17.4625mm = 11/16inch
17.4625mm = 11/16inch
Brand
Budget
Budget
Inside Dia
38.1mm = 1.1/2inch
38.1mm = 1.1/2inch
Outside Dia
66.675mm = 2.5/8inch
66.675mm = 2.5/8inch
Sealing
Sealed
Sealed
Width
14.2875mm = 9/16inch
14.2875mm = 9/16inch
Brand
Budget
Budget
Dynamic Load
284N
284N
Inside Dia
3.175mm = 1/8inch
3.175mm = 1/8inch
Outside Dia
6.35mm = 1/4inch
6.35mm = 1/4inch
Sealing
Open
Open
Static Load
96N
96N
Width
2.38mm = 3/32inch
2.38mm = 3/32inch
Brand
SKF
SKF
Dynamic Load
22100N
22100N
Inside Dia
25.4mm = 1inch
25.4mm = 1inch
Outside Dia
63.5mm = 2.1/2inch
63.5mm = 2.1/2inch
RPM Grease
10800
10800
RPM Oil
14500
14500
Sealing
Open
Open
Static Load
11000N
11000N
Width
19.05mm = 3/4inch
19.05mm = 3/4inch
Brand
Budget
Budget
Inside Dia
25.4mm = 1inch
25.4mm = 1inch
Outside Dia
50.8mm = 2inch
50.8mm = 2inch
Sealing
Shielded
Shielded
Width
14.2875mm = 9/16inch
14.2875mm = 9/16inch
Brand
Budget
Budget
Dynamic Load
144N
144N
Equivalent to
SFR133-2Z
SFR133-2Z
Inside Dia
2.38125mm = 3/32inch
2.38125mm = 3/32inch
Open, Shielded or Sealed
Shielded
Shielded
Outside Dia
4.763mm = 3/16inch
4.763mm = 3/16inch
Sealing
Shielded
Shielded
Static Load
53N
53N
Width
2.38mm = 3/32inch
2.38mm = 3/32inch
Brand
Budget
Budget
Inside Dia
25.4mm = 1inch
25.4mm = 1inch
Outside Dia
50.8mm = 2inch
50.8mm = 2inch
Sealing
Open
Open
Width
9.525mm = 3/8inch
9.525mm = 3/8inch
Brand
Budget
Budget
Dynamic Load
30800N
30800N
Inside Dia
28.575mm = 1.1/8inch
28.575mm = 1.1/8inch
Outside Dia
71.4375mm = 2.13/16inch
71.4375mm = 2.13/16inch
RPM Grease
10800
10800
RPM Oil
14500
14500
Sealing
Shielded
Shielded
Static Load
16600N
16600N
Width
20.64mm = 13/16inch
20.64mm = 13/16inch
Brand
SKF
SKF
Dynamic Load
19200N
19200N
Inside Dia
22.225mm = 7/8inch
22.225mm = 7/8inch
Outside Dia
57.15mm = 2.1/4inch
57.15mm = 2.1/4inch
RPM Grease
13800
13800
RPM Oil
18500
18500
Sealing
Open
Open
Static Load
9400N
9400N
Width
17.4625mm = 11/16inch
17.4625mm = 11/16inch
Brand
Budget
Budget
Dynamic Load
12800N
12800N
Inside Dia
31.75mm = 1.1/4inch
31.75mm = 1.1/4inch
Outside Dia
57.15mm = 2.1/4inch
57.15mm = 2.1/4inch
RPM Grease
11900
11900
RPM Oil
16000
16000
Sealing
Sealed
Sealed
Static Load
8700N
8700N
Width
12.7mm = 1/2inch
12.7mm = 1/2inch
SFR2-ZZ Budget Shielded Flanged Stainless Steel Miniature Ball Bearing 3.175mm x 9.525mm x 3.96875mm
Brand
Budget
Budget
Inside Dia
3.175mm = 1/8inch
3.175mm = 1/8inch
Outside Dia
9.525mm = 3/8inch
9.525mm = 3/8inch
Sealing
Shielded
Shielded
Width
3.97mm = 5/32inch
3.97mm = 5/32inch
Ball rows
Single row bearing
Single row bearing
Bore
Cylindrical bore
Cylindrical bore
Brand
ZEN
ZEN
Cage
Sheet steel cage
Sheet steel cage
Clearance
Normal radial clearance
Normal radial clearance
Current insulation
No current insulation
No current insulation
Inside Dia
15.875mm = 5/8inch
15.875mm = 5/8inch
Material
Standard bearing steel
Standard bearing steel
Material of rolling elements
Standard bearing steel
Standard bearing steel
Outer ring
Without flange/groove
Without flange/groove
Outside Dia
46.04mm = 1.13/16inch
46.04mm = 1.13/16inch
Sealing
Sealed
Sealed
Temperature range
-30 to +120 °C
-30 to +120 °C
Tolerance class
Tolerance class P0/PN2 / ABEC 1
Tolerance class P0/PN2 / ABEC 1
Width
15.875mm = 5/8inch
15.875mm = 5/8inch
Brand
Budget
Budget
Dynamic Load
45300N
45300N
Inside Dia
34.925mm = 1.3/8inch
34.925mm = 1.3/8inch
Outside Dia
88.9mm = 3.1/2inch
88.9mm = 3.1/2inch
RPM Grease
8800
8800
RPM Oil
11900
11900
Sealing
Shielded
Shielded
Static Load
24000N
24000N
Width
22.23mm = 7/8inch
22.23mm = 7/8inch
Brand
Budget
Budget
Dynamic Load
144N
144N
Equivalent to
FR133-2Z
FR133-2Z
Inside Dia
2.38125mm = 3/32inch
2.38125mm = 3/32inch
Outside Dia
4.763mm = 3/16inch
4.763mm = 3/16inch
Sealing
Shielded
Shielded
Static Load
53N
53N
Width
2.38mm = 3/32inch
2.38mm = 3/32inch
Brand
Budget
Budget
Inside Dia
88.9mm = 3.1/2inch
88.9mm = 3.1/2inch
Outside Dia
127mm = 5inch
127mm = 5inch
Sealing
Open
Open
Width
19.05mm = 3/4inch
19.05mm = 3/4inch
Brand
Budget
Budget
Inside Dia
12.7mm = 1/2inch
12.7mm = 1/2inch
Outside Dia
28.575mm = 1.1/8inch
28.575mm = 1.1/8inch
Sealing
Shielded
Shielded
Width
9.525mm = 3/8inch
9.525mm = 3/8inch
Brand
Budget
Budget
Inside Dia
12.7mm = 1/2inch
12.7mm = 1/2inch
Outside Dia
34.925mm = 1.3/8inch
34.925mm = 1.3/8inch
Sealing
Shielded
Shielded
Width
11.11mm = 7/16inch
11.11mm = 7/16inch
Brand
Budget
Budget
Dynamic Load
42700N
42700N
Inside Dia
44.45mm = 1.3/4inch
44.45mm = 1.3/4inch
Outside Dia
95.25mm = 3.3/4inch
95.25mm = 3.3/4inch
RPM Grease
7800
7800
RPM Oil
10600
10600
Sealing
Sealed
Sealed
Static Load
24800N
24800N
Width
20.64mm = 13/16inch
20.64mm = 13/16inch
Brand
Budget
Budget
Inside Dia
9.525mm = 3/8inch
9.525mm = 3/8inch
Outside Dia
15.875mm = 5/8inch
15.875mm = 5/8inch
Sealing
Shielded
Shielded
Width
3.96748mm = 0.1562inch
3.96748mm = 0.1562inch
Brand
Budget
Budget
Inside Dia
3.175mm = 1/8inch
3.175mm = 1/8inch
Outside Dia
12.7mm = 1/2inch
12.7mm = 1/2inch
Sealing
Shielded
Shielded
Width
4.365625mm = 11/64inch
4.365625mm = 11/64inch
Brand
SKF
SKF
Dynamic Load
27700N
27700N
Inside Dia
31.75mm = 1.1/4inch
31.75mm = 1.1/4inch
Outside Dia
69.85mm = 2.3/4inch
69.85mm = 2.3/4inch
RPM Grease
10600
10600
RPM Oil
14400
14400
Sealing
Shielded
Shielded
Static Load
15000N
15000N
Width
17.4625mm = 11/16inch
17.4625mm = 11/16inch
Brand
Budget
Budget
Dynamic Load
284N
284N
Inside Dia
3.175mm = 1/8inch
3.175mm = 1/8inch
Material
Stainless Steel
Stainless Steel
Outside Dia
6.35mm = 1/4inch
6.35mm = 1/4inch
Sealing
Open
Open
Static Load
96N
96N
Width
2.38mm = 3/32inch
2.38mm = 3/32inch
Brand
Budget
Budget
Dynamic Load
631N
631N
Inside Dia
3.175mm = 1/8inch
3.175mm = 1/8inch
Open, Shielded or Sealed
Shielded
Shielded
Outside Dia
9.525mm = 3/8inch
9.525mm = 3/8inch
RPM Grease
40000
40000
RPM Oil
48000
48000
Sealing
Shielded
Shielded
Static Load
219N
219N
Width
3.97mm = 5/32inch
3.97mm = 5/32inch
Brand
Budget
Budget
Inside Dia
19.05mm = 3/4inch
19.05mm = 3/4inch
Outside Dia
44.45mm = 1.3/4inch
44.45mm = 1.3/4inch
Sealing
Shieled
Shieled
Width
0.625/0.750inch
0.625/0.750inch
Brand
Budget
Budget
Inside Dia
9.525mm = 3/8inch
9.525mm = 3/8inch
Outside Dia
23.018mm = 29/32inch
23.018mm = 29/32inch
Sealing
Sealed
Sealed
Width
7.9375mm = 5/16inch
7.9375mm = 5/16inch
Brand
Budget
Budget
Inside Dia
11.112mm = 7/16inch
11.112mm = 7/16inch
Outside Dia
34.925mm = 1.3/8inch
34.925mm = 1.3/8inch
Sealing
Sealed
Sealed
Width
11.11mm = 7/16inch
11.11mm = 7/16inch
Brand
Budget
Budget
Inside Dia
57.15mm = 2.1/4inch
57.15mm = 2.1/4inch
Outside Dia
90.49mm = 3.9/16inch
90.49mm = 3.9/16inch
Sealing
Open
Open
Width
15.875mm = 5/8inch
15.875mm = 5/8inch
Brand
Budget
Budget
Inside Dia
9.525mm = 3/8inch
9.525mm = 3/8inch
Outside Dia
23.018mm = 29/32inch
23.018mm = 29/32inch
Sealing
Sealed
Sealed
Width
7.9375mm = 5/16inch
7.9375mm = 5/16inch
Ball rows
Single row bearing
Single row bearing
Bore
Cylindrical bore
Cylindrical bore
Brand
ZEN
ZEN
Cage
Sheet steel cage
Sheet steel cage
Clearance
Normal radial clearance
Normal radial clearance
Current insulation
No current insulation
No current insulation
Inside Dia
22.225mm = 7/8inch
22.225mm = 7/8inch
Material
Standard bearing steel
Standard bearing steel
Material of rolling elements
Standard bearing steel
Standard bearing steel
Outer ring
Without flange/groove
Without flange/groove
Outside Dia
50.8mm = 2inch
50.8mm = 2inch
Sealing
Shielded
Shielded
Temperature range
-30 to +150 °C
-30 to +150 °C
Tolerance class
Tolerance class P0/PN2 / ABEC 1
Tolerance class P0/PN2 / ABEC 1
Width
14.2875mm = 9/16inch
14.2875mm = 9/16inch
Brand
Budget
Budget
Dynamic Load
50500N
50500N
Inside Dia
47.63mm = 1.7/8inch
47.63mm = 1.7/8inch
Outside Dia
101.6mm = 4inch
101.6mm = 4inch
RPM Grease
7200
7200
RPM Oil
9800
9800
Sealing
Open
Open
Static Load
31200N
31200N
Width
20.64mm = 13/16inch
20.64mm = 13/16inch
Brand
Budget
Budget
Inside Dia
63.5mm = 2.1/2inch
63.5mm = 2.1/2inch
Outside Dia
98.43mm = 3.7/8inch
98.43mm = 3.7/8inch
Sealing
Open
Open
Width
17.4625mm = 11/16inch
17.4625mm = 11/16inch
Brand
Budget
Budget
Inside Dia
38.1mm = 1.1/2inch
38.1mm = 1.1/2inch
Outside Dia
68.26mm = 2.11/16inch
68.26mm = 2.11/16inch
Sealing
Open
Open
Width
14.2875mm = 9/16inch
14.2875mm = 9/16inch
Brand
Budget
Budget
Inside Dia
3.175mm = 1/8inch
3.175mm = 1/8inch
Outside Dia
9.525mm = 3/8inch
9.525mm = 3/8inch
Sealing
Shielded
Shielded
Width
3.97mm = 5/32inch
3.97mm = 5/32inch
Ball rows
Single row bearing
Single row bearing
Bore
Cylindrical bore
Cylindrical bore
Brand
ZEN
ZEN
Cage
Sheet steel cage
Sheet steel cage
Clearance
Normal radial clearance
Normal radial clearance
Current insulation
No current insulation
No current insulation
Inside Dia
12.7mm = 1/2inch
12.7mm = 1/2inch
Material
Stainless steel
Stainless steel
Material of rolling elements
Stainless steel
Stainless steel
Outer ring
Without flange/groove
Without flange/groove
Outside Dia
28.575mm = 1.1/8inch
28.575mm = 1.1/8inch
Sealing
Shielded
Shielded
Temperature range
-30 to +150 °C
-30 to +150 °C
Tolerance class
Tolerance class P0/PN2 / ABEC 1
Tolerance class P0/PN2 / ABEC 1
Width
7.9375mm = 5/16inch
7.9375mm = 5/16inch
Ball rows
Single row bearing
Single row bearing
Bore
Cylindrical bore
Cylindrical bore
Brand
ZEN
ZEN
Cage
Sheet steel cage
Sheet steel cage
Clearance
Normal radial clearance
Normal radial clearance
Current insulation
No current insulation
No current insulation
Inside Dia
19.05mm = 3/4inch
19.05mm = 3/4inch
Material
Standard bearing steel
Standard bearing steel
Material of rolling elements
Standard bearing steel
Standard bearing steel
Outer ring
Without flange/groove
Without flange/groove
Outside Dia
41.28mm = 1.5/8inch
41.28mm = 1.5/8inch
Sealing
Open
Open
Temperature range
-30 to +150 °C
-30 to +150 °C
Tolerance class
Tolerance class P0/PN2 / ABEC 1
Tolerance class P0/PN2 / ABEC 1
Width
7.9375mm = 5/16inch
7.9375mm = 5/16inch
Brand
Budget
Budget
Inside Dia
4.7625mm = 3/16inch
4.7625mm = 3/16inch
Outside Dia
17.4625mm = 11/16inch
17.4625mm = 11/16inch
Sealing
Shielded
Shielded
Width
6.35mm = 1/4inch
6.35mm = 1/4inch
Brand
Budget
Budget
Inside Dia
6.35mm = 1/4inch
6.35mm = 1/4inch
Outside Dia
12.7mm = 1/2inch
12.7mm = 1/2inch
Sealing
Open
Open
Width
3.175mm = 1/8inch
3.175mm = 1/8inch
Brand
Budget
Budget
Dynamic Load
8200N
8200N
Inside Dia
19.05mm = 3/4inch
19.05mm = 3/4inch
Outside Dia
41.28mm = 1.5/8inch
41.28mm = 1.5/8inch
RPM Grease
17000
17000
RPM Oil
22500
22500
Sealing
Shielded
Shielded
Static Load
4400N
4400N
Width
11.11mm = 7/16inch
11.11mm = 7/16inch
Brand
Budget
Budget
Dynamic Load
5800N
5800N
Inside Dia
15.875mm = 5/8inch
15.875mm = 5/8inch
Outside Dia
34.925mm = 1.3/8inch
34.925mm = 1.3/8inch
RPM Grease
22000
22000
RPM Oil
28000
28000
Sealing
Shielded
Shielded
Static Load
3370N
3370N
Width
8.73125mm = 11/32inch
8.73125mm = 11/32inch