UCP pillow block bearing size chart

Pillow block bearing unit is a bearing unit that combines a rolling bearing with a bearing housing. Most pillow block bearings are made of spherical outer diameter and are installed with pillow block which have spherical inner holes. They have various structural forms, good versatility and interchangeability.

Product Details


Pillow blocks can refer to a variety of bearing styles such as single row ball bearings, double row ball bearings, spherical roller bearings, taper roller bearings, etc. A unit is typically a reference for a 1-piece housing as opposed to a split housing. For simplicity, this article will focus on single row ball bearing units.


“A basic pillow block bearing unit is typically an insert bearing which is based on a sealed deep groove ball bearing and a one piece housing.” Joshua Goldman, Applications Engineer for SKF USA says. These units consist of:


*an insert bearing which is based on a sealed single row deep groove ball bearing in the 62 series with a spherical (convex) outside diameter surface and an extended inner ring:

*a one-piece housing made of several different material options which include but are not limited to cast iron, cast stainless steel, and composite. The housing has a correspondingly sphered but concave bore.


Pillow block bearing size chart


Bearing Units UCP205

Unit No.

Shaft Dia

Dimensions (mm)

Bolt Size
(mm)

Weight 

d

H

L

J

A

N

N1

H1

Ho

B

S

A3

(kg)

(in)

(mm)

UCP201


12

30.2

125

95

32

13

18

13

57

27.4

11.5

-

M10

0.72

UCP202


15

30.2

125

95

32

13

18

13

57

27.4

11.5

-

M10

0.66

UCP203


17

30.2

125

95

32

13

18

13

57

27.4

11.5

-

M10

0.66

UCP201


12

30.2

127

95

38

13

19

14

61

31

12.7

-

M10

0.76

UCP201-8

1/2


30.2

127

95

38

13

19

14

61

31

12.7

-

M10

0.76

UCP202  


15

30.2

127

95

38

13

19

14

61

31

12.7

-

M10

0.74

UCP202-9

9/16


30.2

127

95

38

13

19

14

61

31

12.7

-

M10

0.74

UCP202-10

5/8


30.2

127

95

38

13

19

14

61

31

12.7

-

M10

0.74

UCP203 


17

30.2

127

95

38

13

19

14

61

31

12.7

-

M10

0.72

UCP203-11

11/16


30.2

127

95

38

13

19

14

61

31

12.7

-

M10

0.72

UCP204 


20

33.3

127

95

38

13

19

14

64

31

12.7

46.4

M10

0.70

UCP204-12

3/4


33.3

127

95

38

13

19

14

64

31

12.7

46.4

M10

0.70

UCP205  


25

36.5

140

105

38

13

19

15

71

34.1

14.3

48

M10

0.76

UCP205-14 

7/8


36.5

140

105

38

13

19

15

71

34.1

14.3

48

M10

0.76

UCP205-15

15/16


36.5

140

105

38

13

19

15

71

34.1

14.3

48

M10

0.76

UCP205-16

1


36.5

140

105

38

13

19

15

71

34.1

14.3

48

M10

0.76

UCP206 


30

42.9

160

121

44

17

21

16

82

38.1

15.9

52

M14

1.25

UCP206-17 

1-1/16


42.9

160

121

44

17

21

16

82

38.1

15.9

52

M14

1.25

UCP206-18 

1-1/8


42.9

160

121

44

17

21

16

82

38.1

15.9

52

M14

1.25

UCP206-19 

1-3/16


42.9

160

121

44

17

21

16

82

38.1

15.9

52

M14

1.25

UCP206-20

1-1/4


42.9

160

121

44

17

21

16

82

38.1

15.9

52

M14

1.25

UCP207


35

47.6

167

126

48

17

21

17

92

42.9

17.5

59

M14

1.55

UCP207-20 

1-1/4


47.6

167

126

48

17

21

17

92

42.9

17.5

59

M14

1.55

UCP207-21 

1-5/16


47.6

167

126

48

17

21

17

92

42.9

17.5

59

M14

1.55

UCP207-22 

1-3/8


47.6

167

126

48

17

21

17

92

42.9

17.5

59

M14

1.55

UCP207-23

1-7/16


47.6

167

126

48

17

21

17

92

42.9

17.5

59

M14

1.55

UCP208


40

49.2

180

137

52

17

21

18

99

49.2

19

68.2

M14

1.90

UCP208-24 

1-1/2


49.2

180

137

52

17

21

18

99

49.2

19

68.2

M14

1.90

UCP208-25

1-9/16


49.2

180

137

52

17

21

18

99

49.2

19

68.2

M14

1.90

UCP209


45

54

190

146

54

17

21

20

106

49.2

19

70

M14

2.20

UCP209-26 

1-5/8


54

190

146

54

17

21

20

106

49.2

19

70

M14

2.20

UCP209-27 

1-11/16


54

190

146

54

17

21

20

106

49.2

19

70

M14

2.20

UCP209-28

1-3/4


54

190

146

54

17

21

20

106

49.2

19

70

M14

2.20

UCP210


50

57.2

206

159

60

20

25

21

114

51.6

19

76

M16

2.75

UCP210-30 

1-7/8


57.2

206

159

60

20

25

21

114

51.6

19

76

M16

2.75

UCP210-31

1-15/16


57.2

206

159

60

20

25

21

114

51.6

19

76

M16

2.75

UCP210-32

2


57.2

206

159

60

20

25

21

114

51.6

19

76

M16

2.75

UCP211


55

63.5

217

172

60

20

25

23

125

55.6

22.2

76

M16

3.30

UCP211-32  

2


63.5

217

172

60

20

25

23

125

55.6

22.2

76

M16

3.30

UCP211-34

2-1/8


63.5

217

172

60

20

25

23

125

55.6

22.2

76

M16

3.30

UCP211-35

2-3/16


63.5

217

172

60

20

25

23

125

55.6

22.2

76

M16

3.30

UCP212


60

69.9

238

186

70

20

25

24

137

65.1

25.4

89

M16

4.70

UCP212-36  

2-1/4


69.9

238

186

70

20

25

24

137

65.1

25.4

89

M16

4.70

UCP212-38

2-3/8


69.9

238

186

70

20

25

24

137

65.1

25.4

89

M16

4.70

UCP212-39

2-7/16


69.9

238

186

70

20

25

24

137

65.1

25.4

89

M16

4.70

UCP213


65

76.2

262

203

70

25

30

26

149

65.1

25.4

89

M20

5.60

UCP213-40

2-1/2


76.2

262

203

70

25

30

26

149

65.1

25.4

89

M20

5.60

UCP214


70

79.4

266

210

72

25

30

27

155

74.6

30.2

98

M20

6.60

UCP214-44

2-3/4


79.4

266

210

72

25

30

27

155

74.6

30.2

98

M20

6.60

UCP215


75

82.6

274

217

74

25

30

28

162

77.8

33.3

97

M20

7.30

UCP215-47 

2-15/16 


82.6

274

217

74

25

30

28

162

77.8

33.3

97

M20

7.30

UCP215-48

3


82.6

274

217

74

25

30

28

162

77.8

33.3

97

M20

7.30

UCP216


80

88.9

292

232

78

25

30

30

174

82.6

33.3

110

M20

9.00

UCP217


85

95.2

310

247

83

25

28

32

186

85.7

34.1

114.2

M20

10.80

UCP217-52

3-1/4


95.2

310

247

83

25

28

32

186

85.7

34.1

114.2

M20

10.80

UCP218


90

101.6

326

262

88

27

30

33

198

96

39.7

124

M22

13.00

UCP218-56

3-1/2


101.6

326

262

88

27

30

33

198

96

39.7

124

M22

13.00

UCP220


100

115

380

305

95

30

36

40

225

108

42

-

M24

16.00


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