UCF203 UCF204 UCF206 Pillow Block Mounted Ball Bearing with Self Alignment for Machinery Food Machine
Pillow block ball bearings are extensively utilized in a wide range of machinery, particularly in food processing equipment, and are also suitable for pharmaceutical machinery, conveyor systems, film processing machines, spinning machines, printing machinery, and more.
These bearings feature integral cast iron housings that are forged and coated with rust-proof paint for enhanced durability. They are assembled with self-aligning chrome steel sealed bearings, ensuring reliable performance even in demanding conditions. Designed for simple installation and equipped with an easy-maintenance lubrication system, they significantly reduce downtime and operational costs.
The self-aligning design allows them to compensate for shaft misalignment, while their robust construction ensures strength and longevity. By minimizing the need for frequent replacements and lowering maintenance costs, Kent pillow block bearings offer a simple, efficient, and cost-effective solution for various industrial applications.
Dimensions Table
| Model |
Bore Diameter (d) |
Outer Diameter (D) |
Bearing Width (B) |
Housing Dimensions (L x W x H) |
Mounting Hole Spacing (A) |
Mounting Hole Diameter (B) |
Weight |
| UCF203 |
17 mm |
40 mm |
12 mm |
100 x 65 x 40 mm |
80 mm |
9 mm |
~1.0 kg |
| UCF204 |
20 mm |
47 mm |
14 mm |
104 x 80 x 46 mm |
90 mm |
11 mm |
~1.2 kg |
| UCF206 |
30 mm |
62 mm |
16 mm |
125 x 90 x 55 mm |
100 mm |
11 mm |
~1.8 kg |
![parameter.png]()
![image.png]()
UCF Series Pillow Block Ball Bearings Parameters
![image.png]()
Wide Applications of Pillow Block Bearings
![带座外çƒé¢è½´æ‰¿ 应用2.jpg]()
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.
![image.png]()
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
|
![noise.png]()
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 |
