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Bore Diameter (d): 12 mm, suitable for a shaft with a diameter of 12 mm.
Outer Diameter (D): 37 mm, indicating the diameter of the bearing's outer ring.
Bearing Width (B): 26 mm, representing the width of the bearing.
Base Dimensions (A × B × H): 70 mm (length) × 40 mm (width) × 50 mm (height), indicating the size of the square housing.
Mounting Hole Spacing (J): 60 mm, representing the center-to-center distance of the mounting holes.
Mounting Hole Diameter (S): 9 mm, indicating the diameter of the mounting bo
Precision Comparison Table:
Precision Grade
ABEC Standard
GB Standard (China)
Description
Z3
ABEC-3
P6
High precision, suitable for applications requiring smooth operation and low noise.
Z4
ABEC-5
P5
Very high precision, used in high-speed and high-accuracy applications.
Advantages of Z3 and Z4 Bearings
High Precision:
Z3 and Z4 bearings are manufactured to tight tolerances, ensuring smooth and consistent performance.
Z4 offers higher precision than Z3, making it suitable for more demanding applications.
Low Noise and Vibration:
The precise manufacturing process reduces noise and vibration, making these bearings ideal for applications where quiet operation is essential.
High-Speed Capability:
Z3 and Z4 bearings are designed to operate at high speeds with minimal friction, ensuring efficiency and longevity.
Durability:
The high-quality materials and precision manufacturing enhance the durability and load-carrying capacity of these bearings.
Versatility:
Suitable for a wide range of industries, including automotive, aerospace, medical equipment, and precision machinery.
Applications of Z3 and Z4 Bearings
Z3 Bearings:
Electric Motors: Used in small to medium-sized motors for smooth and quiet operation.
Household Appliances: Found in washing machines, refrigerators, and air conditioners.
Office Equipment: Used in printers, scanners, and copiers for reliable performance.
General Industrial Machinery: Suitable for pumps, fans, and light-duty machinery.
Z4 Bearings:
High-Speed Machinery: Used in machine tools, spindles, and robotics for high-speed and high-precision operations.
Medical Equipment: Essential for MRI machines, dental drills, and other precision medical devices.
Aerospace: Used in aircraft components where precision and reliability are critical.
Automotive: Found in transmissions, wheel hubs, and electric vehicle motors for high performance.
UCF Series Pillow Block Ball Bearings Parameters
ABEC-1 Tolerance Class ABEC-1 (P0)
Inner Ring
Tolerance in um/s
d mm
Δdmp
9
Vdp²)0,1 Diameter Series
2,3,4
Vdmp
Kia
ΔBs
Vbs
over
including
high
low
max
max
max
high
low
max
1)0.6
2.5
0
-8
10
8
6
6
10
0
-40
12
2.5
10
0
-8
10
8
6
6
10
0
-120
15
10
18
0
-8
10
8
6
6
10
0
-120
20
18
30
0
-10
13
10
8
8
13
0
-120
20
30
50
0
-12
15
12
9
9
15
0
-120
20
50
80
0
-15
19
19
11
11
20
0
-150
25
Outer Ring
Tolerance in um/s
D mm
Δdmp
VDp2)4)Open Bearings Diameter Series
Capped Bearings2)3)
Vdmp
Kia
ΔBs
Vbs
9
0,1
2,3,4
2,3,4
over
including
high
low
max
max
max
high
low
max
1)2.5
6
0
-8
10
8
6
10
6
15
Identical to ΔBs and VBs of inner ring of same bearing
6
18
0
-8
10
8
6
10
6
15
18
30
0
-9
12
9
7
12
7
15
30
50
0
-11
14
11
8
16
8
20
50
80
0
-13
16
13
10
20
10
25
80
120
0
-15
19
19
11
26
11
35
120
150
0
-18
23
23
14
30
14
40
ABEC-3 Tolerance Class ABEC-3 (P6)
Inner Ring
Tolerance in um/s
d mm
Δdmp
9
Vdp²)0,1 Diameter Series
2,3,4
Vdmp
Kia
ΔBs
Vbs
over
including
high
low
max
max
max
high
low
max
11)0.6
2.5
0
-7
9
7
5
5
5
0
-40
12
2.5
10
0
-7
9
7
5
5
6
0
-120
15
10
18
0
-7
9
7
5
5
7
0
-120
20
18
30
0
-8
10
8
6
6
8
0
-120
20
30
50
0
-10
13
10
8
8
10
0
-120
20
50
80
0
-12
15
15
9
9
10
0
-150
25
Outer Ring
Tolerance in um/s
D mm
Δdmp
VDp2)4)Open Bearings Diameter Series
Capped Bearings2)3)
Vdmp
Kia
ΔBs
Vbs
9
0,1
2,3,4
2,3,4
over
including
high
low
max
max
max
high
low
max
1)2.5
6
0
-7
9
7
5
9
5
8
Identical to ΔBs and VBs of inner ring of same bearing
6
18
0
-7
9
7
5
9
5
8
18
30
0
-8
10
8
6
10
6
9
30
50
0
-9
11
9
7
13
7
10
50
80
0
-11
14
11
8
16
8
13
80
120
0
-13
16
16
10
20
10
18
120
150
0
-15
19
19
11
25
11
20
ABEC-5 Tolerance Class ABEC-5 (P5)
Inner Ring
Tolerance in um/s
d mm
Δdmp
Vdp²)Diameter Series
Vdmp
Kia
Sd
Sis3)
ΔBs
Vbs
9
0,1,2,3,4
over
including
high
low
max
3
max
max
max
High
Low
max
1)0.6
2.5
0
-5
5
4
3
4
7
7
0
-40
5
2.5
10
0
-5
5
4
3
4
7
7
0
-40
5
10
18
0
-5
5
4
3
4
7
7
0
-80
5
18
30
0
-6
6
5
3
4
8
8
0
-120
5
30
50
0
-8
8
6
4
5
8
8
0
-120
5
50
80
0
-9
9
7
5
5
8
8
0
-150
6
Outer Ring
Tolerance in um/s
D mm
Δdmp
Vdp²)Diameter Series
Vdmp
Kia
SD4) SD15)
Sea4)5)
ΔBs
Vbs
9
0,1,2,3,4
over
including
high
low
max
max
max
max
High
Low
max
1)2.5
6
0
-5
5
4
3
5
8
8
5
6
18
0
-5
5
4
3
5
8
8
5
18
30
0
-6
6
5
3
6
8
8
5
30
50
0
-7
7
5
4
7
8
8
5
50
80
0
-9
9
7
5
8
8
10
6
80
120
0
-10
10
8
5
10
9
11
8
120
150
0
-11
11
8
6
11
10
13
8
ABEC-7 Tolerance Class ABEC-7 (P4)
Inner Ring
Tolerance in um/s
d mm
Δdmp
Δds
Vdp²)Diameter Series
Vdmp
Kia
Sd
Sia
ΔBs
Vbs
7,8,9
1,7,2,3,4
over
including
high
low
high
low
max
max
max
max
max
High
low
Low
max
1)0.6
2.5
0
-4
0
-4
4
3
2
2.5
3
3
0
-40
-40
2.5
2.5
10
0
-4
0
-4
4
3
2
2.5
3
3
0
-40
-40
2.5
10
18
0
-4
0
-4
4
3
2
2.5
3
3
0
-80
-80
2.5
18
30
0
-5
0
-5
5
4
2.5
3
4
4
0
-120
-120
2.5
30
50
0
-6
0
-5
6
4
3
4
4
4
0
-120
-120
3
50
80
0
-7
0
-5
7
5
3.5
4
5
5
0
-150
-150
4
Outer Ring
Tolerance in um/s
D mm
Δdmp
Δds
Vdp²)Diameter Series
Vdmp
Kia
Sd
Sia
ΔBs
Vbs
7,8,9
1,7,2,3,4
over
including
high
low
high
low
max
max
max
max
max
High
low
max
1)2.5
6
0
-4
0
-4
4
3
2
3
4
5
Identical to ΔBs and VBs of inner ring of same bearing
2.5
6
18
0
-4
0
-4
4
3
2
3
4
5
2.5
18
30
0
-5
0
-5
5
4
2.5
4
4
5
2.5
30
50
0
-6
0
-6
6
5
3
5
4
5
2.5
50
80
0
-7
0
-7
7
5
3.5
5
4
5
3
80
120
0
-8
0
-8
8
6
4
6
5
6
4
120
150
0
-9
0
-9
9
7
5
7
5
7
5
Tolerance Data for Vibration of Single Bearing
D
V
V1
V2
V3
V4
mm
Low
Medium
High
Low
Medium
High
Low
Medium
High
Low
Medium
High
Low
Medium
High
3,4
80
44
44
60
35
32
48
26
22
31
16
15
28
10
10
5,6
110
72
60
74
48
40
58
36
30
35
21
18
32
11
11
7,8,9
130
96
80
92
66
54
72
48
40
44
28
24
38
12
12
10,12
160
120
100
120
80
70
90
60
50
55
35
30
45
14
15
15
210
150
120
150
100
85
110
78
60
65
46
35
52
18
18
17
210
150
120
150
100
85
110
78
60
65
46
35
52
25
25
20
260
190
150
180
125
100
130
100
75
80
60
45
60
25
25
22,25
260
190
150
180
125
100
130
100
75
80
60
45
60
30
32
28
260
190
150
180
125
100
130
100
75
80
60
45
60
35
40
30,32
300
240
190
200
150
130
150
120
100
90
75
60
70
35
40
35
300
240
190
200
150
130
150
120
100
90
75
60
70
42
45
40
360
300
260
240
180
160
180
150
130
110
90
80
82
50
50
45
360
300
260
240
180
160
180
150
130
110
90
80
82
60
60
50
420
320
320
280
200
200
210
160
160
125
100
100
95
70
70
Maximum Vibration Acceleration of Single Bearing
D
Diameter Series(0)
Diameter Series(2)
Diameter Series(3)
mm
Z
Z1
Z2
Z3
Z
Z1
Z2
Z3
Z4
Z
Z1
Z2
Z3
Z4
3
35
34
32
28
36
35
32
30
-
37
36
33
31
-
4
35
34
32
28
36
35
32
30
-
37
36
33
31
-
5
37
36
34
30
38
37
34
32
-
39
37
35
33
-
6
37
36
34
30
38
37
34
32
-
39
37
35
33
-
7
39
38
35
31
40
38
36
34
-
-
-
-
-
-
8
39
38
35
31
40
38
36
34
-
-
-
-
-
-
9
41
40
36
32
42
40
37
35
-
-
-
-
-
-
10
43
42
38
33
44
42
39
35
30
37
44
40
37
32
12
44
43
39
34
45
43
39
35
30
47
45
40
37
32
15
45
44
40
35
46
44
41
36
31
48
46
42
38
33
17
46
44
40
35
47
45
41
36
31
49
47
42
38
33
20
47
45
41
36
48
46
42
38
33
50
48
43
39
34
22
47
45
41
36
48
46
42
38
33
50
48
43
39
34
25
48
46
42
38
49
47
43
40
36
51
49
44
41
37
28
49
47
43
39
50
48
44
41
37
52
50
45
42
38
30
49
47
43
39
50
48
44
41
37
52
50
45
42
38
32
50
48
44
40
51
49
45
42
38
53
51
46
43
39
35
51
49
45
41
52
50
46
43
39
54
52
47
44
40
40
53
51
46
42
54
52
47
44
40
56
54
49
45
41
45
55
53
48
45
56
54
49
46
43
58
56
51
47
44
50
57
54
50
47
58
55
51
48
45
60
57
53
49
46
55
59
56
52
49
60
57
53
50
47
62
59
54
51
48
60
61
58
54
51
62
59
54
51
48
61
56
53
50
Wide Applications of Pillow Block Bearings
Customization Welcomed:
We can printing your brand (logo,artwork)on the shield or laser engraving your brand on the shield.
We can custom your packaging according to your design.
All copyright owned by clients and we promised don't disclose any information.
Packing and Shipping:
The deep groove ball bearings will be securely packaged individually, or tube packing or packed as customization packing
Shipping method is negotiable.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2003
Ecer Certification:
Verified Supplier
We are Ningbo Kent Bearing Co., Ltd, one of the leading high-quality bearing manufacturer and supplier, established in 2003.
We registered the BUGAO Bearing trademark in 2003 and specialize in deep groove ball bearings
for electric motors, automobiles, household appliances, power tools, ...
We are Ningbo Kent Bearing Co., Ltd, one of the leading high-quality bearing manufacturer and supplier, established in 2003.
We registered the BUGAO Bearing trademark in 2003 and specialize in deep groove ball bearings
for electric motors, automobiles, household appliances, power tools, ...