KNOWLEDGE

Pillow Block Bearing Types

Pillow Block Bearing Types

 

Pillow Block Bearing Types Introduction:

Pillow block bearing housings can be divided into different types according to different shapes.
Common pillow block bearings types are as below.

1. Pillow Block Bearing Types – Bearing with vertical housing

Vertical housing is the most widely used bearing housing, especially UCP series bearings
For example: UCP

Common UCP Pillow Mount Bearings Size Chart:

Bearing Unit
No.
Shaft Dia Dimensions(mm) Weight
(kg)
d
mm h a e b S1 S2 g w n Bi
UCP202 15 30.2 127 95 38 13 19 14 62 11.5 27.4 0.63
UCP203 17 30.2 127 95 38 13 19 14 62 11.5 27.4 0.60
UCP204 20 33.3 127 95 38 13 19 14 65 12.3 31.0 0.66
UCP205 25 36.5 140 105 38 13 19 15 71 14.3 34.1 0.80
UCP206 30 42.9 165 121 48 17 21 17 83 15.9 38.1 1.30
UCP207 35 47.6 167 127 48 17 21 18 93 17.5 42.9 1.60
UCP208 40 49.2 184 137 54 17 21 18 98 19.0 49.2 1.83
UCP209 45 54.0 190 146 54 17 21 20 106 19.0 49.2 2.18
UCP210 50 57.2 206 159 60 20 25 21 114 19.0 51.6 2.68
UCP211 55 63.5 219 171 60 20 25 23 126 22.2 55.6 3.27
UCP212 60 69.8 241 184 70 20 25 25 138 25.4 65.1 4.52
UCP213 65 76.2 265 203 70 25 29 27 151 25.4 65.1 5.70
UCP214 70 79.4 266 210 72 25 31 27 157 30.2 74.6 6.66
UCP215 75 82.6 275 217 74 25 31 28 163 33.3 77.8 7.40
UCP216 80 88.9 292 232 78 25 31 30 175 33.3 82.6 9.00
UCP217 85 95.2 310 247 83 25 31 32 1870 34.1 85.7 11.00
UCP218 90 101.6 327 262 88 27 33 33 200 39.7 96.0 13.00

2. Bearing with high center vertical housing

This kind bearing housing is higher than ordinary vertical housing.
For example: UCPA

3. Bearings with square housing

This kind of bearing is mainly suitable for applications where the side surface perpendicular to the shaft is fixed by four bolts. Its fixing method is widely used in machinery. The method of fixing the shaft is the same as that of the bearing with vertical housing.
For example: UCF

Pillow Block Bearing Types – UCF Pillar Block Bearings Size Chart:


Bearing Unit No.
Shaft Dia Dimensions(mm) Weight
(kg)
d
mm a e i g l z s n Bi
UCF202 15 86 64 15 11 25.5 30.9 12 11.5 27.4 0.56
UCF203 17 86 64 15 11 25.5 30.9 12 11.5 27.4 0.54
UCF 204 20 86 64 15 11 25.5 33.7 12 12.3 31.0 0.61
UCF205 25 95 70 16 13 27.0 35.8 12 14.3 34.1 0.80
UCF206 30 108 83 18 13 31.0 40.2 12 15.9 38.1 1.11
UCF207 35 117 92 19 15 34.0 44.4 14 17.5 42.9 1.66
UCF208 40 130 102 21 15 36.0 51.2 16 19.0 49.2 1.93
UC209 45 137 105 22 16 38.0 52.2 16 19.0 49.2 2.28
UCF210 50 143 111 22 16 40.0 54.6 16 19.0 51.6 2.57
UCF211 55 162 130 25 18 43.0 58.4 19 22.2 55.6 3.98
UCF212 60 175 143 29 18 48.0 68.7 19 25.4 65.1 4.30
UCF213 65 187 149 30 22 50.0 69.7 19 25.4 65.1 5.49
UCF214 70 193 152 31 22 54.0 75.4 19 330.2 74.6 6.47
UCF215 75 200 159 34 22 56.0 78.5 19 33.3 77.8 6.54
UCF216 80 208 165 34 22 58.0 83.3 23 33.3 82.6 7.86
UCF217 85 220 175 36 24 63.0 87.6 23 34.1 85.7 9.77
UCF218 90 235 187 40 24 68.0 96.3 23 39.7 96.0 11.72

4. Bearing with protruding round table

This type bearing housing is mainly installed on the side hole with centrality requirements
For example: UCFC

UCFC Pillow Block Bearing Housing Models:


Bearing Unit
No.
Shaft Dia Dimensions(mm) Weight
(kg)
d
mm a p i g j k s e f z n Bi
UCFC202 15 100 78 10 20.5 5 7 12 55.1 62 25.9 11.5 27.4 0.77
UCFC203 17 100 78 10 20.5 5 7 12 55.1 62 25.9 11.5 27.4 0.76
UCFC204 20 100 78 10 20.5 5 7 12 55.1 62 28.7 12.3 31.0 0.81
UCFC205 25 115 90 10 21.0 6 7 12 63.6 70 29.8 14.3 34.1 1.09
UCFC206 30 125 100 10 23.0 8 8 12 70.7 80 32.2 15.9 38.1 1.51
UCFC207 35 135 110 11 26.0 8 9 14 77.8 90 36.4 17.5 42.9 1.98
UCFC208 40 145 120 11 26.0 10 9 14 84.8 100 41.2 19.0 49.2 2.32
UCFC209 45 160 132 10 26.0 12 14 16 93.3 105 4.02 19.0 49.2 3.07
UCFC210 50 165 138 10 28.0 12 14 16 97.6 110 42.6 19.0 51.6 3.28
UCFC211 55 185 150 13 31.0 12 15 19 106.1 125 46.4 22.2 55.6 4.20
UCFC212 60 195 160 17 36.0 12 15 19 113.1 135 56.7 25.4 65.1 5.45
UCFC213 65 205 170 16 36.0 14 15 19 120.2 145 55.7 11.5 65.1 5.91
UCFC214 70 215 177 17 40.0 14 18 19 125.1 150 61.4 11.5 74.6 7.26
UCFC215 75 220 184 18 40.0 16 18 19 130.1 160 62.5 11.5 77.8 8.02

5. Bearing with rhombus housing

This kind bearing housing is conducive to saving space and weight.
It can be fixed by two bolts, and its mounting hole size is the same with that of a square seat.
For example: UCFL

UCFL Pedestal Bearing Model List:


Bearing Unit
No.
Shaft Dia Dimensions(mm) Weight
(kg)
d
mm a e b i g l z s n Bi
UCFL202 15 113 90 60 15 12 25.5 30.9 12 11.5 27.4 0.42
UCFL203 17 113 90 60 15 12 25.5 30.3 12 11.5 27.4 0.41
UCFL204 20 113 90 60 15 12 25.5 33.7 12 12.3 31.0 0.48
UCFL205 25 130 99 68 16 14 27.0 35.8 16 14.3 34.1 0.60
UCFL206 30 148 117 80 18 14 31.0 40.2 16 15.9 38.1 0.98
UCFL207 35 161 130 90 19 16 34.0 44.4 16 17.5 42.9 1.31
UCFL208 40 175 144 100 21 16 36.0 51.2 16 19.0 49.2 1.53
UCFL209 45 188 148 108 22 18 38.0 52.2 19 19.0 49.2 1.68
UCFL210 50 197 157 115 22 18 40.0 54.6 19 19.0 51.6 1.88
UCFL211 55 224 184 130 25 20 43.0 58.4 19 22.2 55.6 3.10
UCFL212 60 250 202 140 29 20 48.0 68.7 23 25.4 65.1 4.00
UCFL213 65 258 210 155 30 24 50.0 69.7 23 25.4 65.1 5.00
UCFL214 70 265 216 160 31 24 54.0 75.4 23 30.2 74.6 5.60
UCFL215 75 275 225 165 34 24 56.0 78.5 23 33.3 77.8 6.20
UCFL216 80 290 233 180 34 24 58.0 83.3 25 33.3 82.6 8.20
UCFL217 85 305 248 190 36 26 63.0 87.6 25 34.1 85.7 9.26
UCFL218 90 320 265 205 40 26 68.0 96.3 25 39.7 96.0 11.73

6. Bearing with slider housing

For example UCT, UCT208

UCT Heavy Duty Pillow Block Bearings List:


Bearing Unit
No.
Shaft Dia Dimensions(mm) Weight
(kg)
d
mm o g s p q b k e a w j i h n Bi
UCT202 15 16 10 51 32 19 51 12 76 89 94 32 21 61 11.5 27.4 0.78
UCT203 17 16 10 51 32 19 51 12 76 89 94 32 21 61 11.5 27.4 0.77
UCT 204 20 16 10 51 32 19 51 12 76 89 94 32 21 61 12.3 31.0 0.81
UCT205 25 16 10 51 32 19 51 12 76 89 97 32 24 62 14.3 34.1 0.92
UCT206 30 16 10 56 37 22 57 12 89 102 113 37 28 70 15.9 38.1 1.01
UCT207 35 16 13 64 37 22 64 12 89 102 129 37 30 78 17.5 42.9 1.70
UCT208 40 19 16 83 49 29 83 16 102 114 144 49 33 88 19.0 49.2 2.43
UCT209 45 19 16 83 49 29 83 16 102 117 144 49 35 87 19.0 49.2 2.58
UCT210 50 19 16 83 49 29 86 16 102 117 149 49 37 90 19.0 51.6 2.78
UCT211 55 25 19 102 64 35 95 22 130 146 171 61 38 106 22.2 55.6 4.17
UCT212 60 32 19 102 64 35 102 22 130 146 194 61 42 119 25.4 65.1 4.90
UCT213 65 32 21 111 70 41 121 26 151 167 224 70 44 137 11.5 27.4 7.30
UCT214 70 32 21 111 70 41 121 26 151 167 224 70 46 137 11.5 27.4 7.36

Pillow Block Bearings Application:

Pillow block bearings are suitable for occasions requiring simple equipment and parts, such as agricultural machinery, transportation systems or construction machinery.

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