Bearing unit UCFL type
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Bearing unit introduction
Bearing unit (Pillow block bearing units) provide stability and self-alignment for many different applications. Adjustment of a misaligned shaft can occur in any direction and allows centering and alignment without distorting seals. Pillow block bearing units include a hollow set screw for easy and firm attachment on a shaft and a one-piece housing for structural strength. Grease nipples and holes supply lubricating grease to the bearing and maintain the flow of grease to balls and raceways. Rubber seals located between the inner and outer rings prevent lubricants from leaking and protect against contaminants.
Bearing Unit UCFL Type Structure Diagram

Model List And Dimensions Of Bearing Unit UCFL Type
Bearing Number | Dimensions (mm) | Bolt Size | Bearing No. | Housing No. | Weight | ||||||||||
d | a | e | i | g | l | s | b | z | B | n | (kg) | ||||
UCFL201 | 12 | 113 | 90 | 15 | 11 | 25.5 | 12 | 60 | 33.3 | 31 | 12.7 | M10 | UC201 | FL201 | 0.45 |
UCFL201-8 | 12 | 113 | 90 | 15 | 11 | 25.5 | 12 | 60 | 33.3 | 31 | 12.7 | M10 | UC201-8 | FL201 | 0.44 |
UCFL202 | 15 | 113 | 90 | 15 | 11 | 25.5 | 12 | 60 | 33.3 | 31 | 12.7 | M10 | UC202 | FL202 | 0.44 |
UCFL202-9 | 15 | 113 | 90 | 15 | 11 | 25.5 | 12 | 60 | 33.3 | 31 | 12.7 | M10 | UC202-9 | FL202 | 0.43 |
UCFL202-10 | 15 | 113 | 90 | 15 | 11 | 25.5 | 12 | 60 | 33.3 | 31 | 12.7 | M10 | UC20240 | FL202 | 0.43 |
UCFL203 | 17 | 113 | 90 | 15 | 11 | 25.5 | 12 | 60 | 33.3 | 31 | 12.7 | M10 | UC203 | FL203 | 0.43 |
UCFL203-11 | 18 | 113 | 90 | 15 | 11 | 25.5 | 12 | 60 | 33.3 | 31 | 12.7 | M10 | UC20341 | FL203 | 0.42 |
UCFL204 | 20 | 113 | 90 | 15 | 11 | 25.5 | 12 | 60 | 33.3 | 31 | 12.7 | M10 | UC204 | FL204 | 0.41 |
UCFL204-12 | 20 | 113 | 90 | 15 | 11 | 25.5 | 12 | 60 | 33.3 | 31 | 12.7 | M10 | UC204-12 | FL204 | 0.41 |
UCFL205 | 25 | 130 | 99 | 16 | 13 | 27 | 16 | 68 | 35.8 | 34.1 | 14.3 | M14 | UC205 | FL205 | 0.58 |
UCFL205-13 | 26 | 130 | 99 | 16 | 13 | 27 | 16 | 68 | 35.8 | 34.1 | 14.3 | M14 | UC20543 | FL205 | 0.62 |
UCFL205-14 | 27 | 130 | 99 | 16 | 13 | 27 | 16 | 68 | 35.8 | 34.1 | 14.3 | M14 | UC20544 | FL205 | 0.61 |
UCFL205-15 | 28 | 130 | 99 | 16 | 13 | 27 | 16 | 68 | 35.8 | 34.1 | 14.3 | M14 | UC205-15 | FL205 | 0.59 |
UCFL205-16 | 29 | 130 | 99 | 16 | 13 | 27 | 16 | 68 | 35.8 | 34.1 | 14.3 | M14 | UC205-16 | FL205 | 0.58 |
UCFL206 | 30 | 148 | 117 | 18 | 13 | 31 | 16 | 80 | 40.2 | 38.1 | 15.9 | M14 | UC206 | FL206 | 0.86 |
UCFL206-17 | 31 | 148 | 117 | 18 | 13 | 31 | 16 | 80 | 40.2 | 38.1 | 15.9 | M14 | UC20647 | FL206 | 0.87 |
UCFL206-18 | 32 | 148 | 117 | 18 | 13 | 31 | 16 | 80 | 40.2 | 38.1 | 15.9 | M14 | UC206-18 | FL206 | 0.88 |
UCFL206-19 | 33 | 148 | 117 | 18 | 13 | 31 | 16 | 80 | 40.2 | 38.1 | 15.9 | M14 | UC206-19 | FL206 | 0.86 |
UCFL206-20 | 34 | 148 | 117 | 18 | 13 | 31 | 16 | 80 | 40.2 | 38.1 | 15.9 | M14 | UC206-20 | FL206 | 0.85 |
UCFL207 | 35 | 161 | 130 | 19 | 14 | 34 | 16 | 90 | 44.4 | 42.9 | 17.5 | M14 | UC207 | FL207 | 1.08 |
UCFL207-20 | 36 | 161 | 130 | 19 | 14 | 34 | 16 | 90 | 44.4 | 42.9 | 17.5 | M14 | UC207-20 | FL207 | 1.14 |
UCFL207-21 | 37 | 161 | 130 | 19 | 14 | 34 | 16 | 90 | 44.4 | 42.9 | 17.5 | M14 | UC207-21 | FL207 | 1.11 |
UCFL207-22 | 38 | 161 | 130 | 19 | 14 | 34 | 16 | 90 | 44.4 | 42.9 | 17.5 | M14 | UC207-22 | FL207 | 1.08 |
UCFL207-23 | 39 | 161 | 130 | 19 | 14 | 34 | 16 | 90 | 44.4 | 42.9 | 17.5 | M14 | UC207-23 | FL207 | 1.05 |
UCFL208 | 40 | 175 | 144 | 21 | 14 | 36 | 16 | 100 | 51.2 | 49.2 | 19 | M14 | UC208 | FL208 | 1.44 |
UCFL208-24 | 41 | 175 | 144 | 21 | 14 | 36 | 16 | 100 | 51.2 | 49.2 | 19 | M14 | UC208-24 | FL208 | 1.48 |
UCFL208-25 | 42 | 175 | 144 | 21 | 14 | 36 | 16 | 100 | 51.2 | 49.2 | 19 | M14 | UC208-25 | FL208 | 1.45 |
UCFL209 | 45 | 188 | 148 | 22 | 15 | 38 | 19 | 108 | 52.2 | 49.2 | 19 | M16 | UC209 | FL209 | 1.74 |
UCFL209-26 | 46 | 188 | 148 | 22 | 15 | 38 | 19 | 108 | 52.2 | 49.2 | 19 | M16 | UC209-26 | FL209 | 1.84 |
UCFL209-27 | 47 | 188 | 148 | 22 | 15 | 38 | 19 | 108 | 52.2 | 49.2 | 19 | M16 | UC209-27 | FL209 | 1.80 |
UCFL209-28 | 48 | 188 | 148 | 22 | 15 | 38 | 19 | 108 | 52.2 | 49.2 | 19 | M16 | UC209-28 | FL209 | 1.76 |
UCFL210 | 50 | 197 | 157 | 22 | 15 | 40 | 19 | 115 | 54.6 | 51.6 | 19 | M16 | UC210 | FL210 | 2.10 |
UCFL210-29 | 50 | 197 | 157 | 22 | 15 | 40 | 19 | 115 | 54.6 | 51.6 | 19 | M16 | UC210-29 | FL210 | 2.22 |
UCFL210-30 | 50 | 197 | 157 | 22 | 15 | 40 | 19 | 115 | 54.6 | 51.6 | 19 | M16 | UC210-30 | FL210 | 2.17 |
UCFL210-31 | 50 | 197 | 157 | 22 | 15 | 40 | 19 | 115 | 54.6 | 51.6 | 19 | M16 | UC210-31 | FL210 | 2.12 |
UCFL210-32 | 50 | 197 | 157 | 22 | 15 | 40 | 19 | 115 | 54.6 | 51.6 | 19 | M16 | UC210-32 | FL210 | 2.08 |
UCFL211 | 55 | 224 | 184 | 25 | 18 | 43 | 19 | 130 | 58.4 | 55.6 | 22.2 | M16 | UC211 | FL211 | 2.91 |
UCFL211-32 | 56 | 224 | 184 | 25 | 18 | 43 | 19 | 130 | 58.4 | 55.6 | 22.2 | M16 | UC211-32 | FL211 | 3.06 |
UCFL211-33 | 57 | 224 | 184 | 25 | 18 | 43 | 19 | 130 | 58.4 | 55.6 | 22.2 | M16 | UC211-33 | FL211 | 3.00 |
UCFL211-34 | 58 | 224 | 184 | 25 | 18 | 43 | 19 | 130 | 58.4 | 55.6 | 22.2 | M16 | UC211-34 | FL211 | 2.95 |
UCFL211-35 | 59 | 224 | 184 | 25 | 18 | 43 | 19 | 130 | 58.4 | 55.6 | 22.2 | M16 | UC211-35 | FL211 | 2.89 |
UCFL212 | 60 | 250 | 202 | 29 | 18 | 48 | 23 | 140 | 68.7 | 65.1 | 25.4 | M20 | UC212 | FL212 | 3.74 |
UCFL212-36 | 61 | 250 | 202 | 29 | 18 | 48 | 23 | 140 | 68.7 | 65.1 | 25.4 | M20 | UC212-36 | FL212 | 3.87 |
UCFL212-37 | 62 | 250 | 202 | 29 | 18 | 48 | 23 | 140 | 68.7 | 65.1 | 25.4 | M20 | UC212-37 | FL212 | 3.79 |
UCFL212-38 | 63 | 250 | 202 | 29 | 18 | 48 | 23 | 140 | 68.7 | 65.1 | 25.4 | M20 | UC212-38 | FL212 | 3.72 |
UCFL212-39 | 64 | 250 | 202 | 29 | 18 | 48 | 23 | 140 | 68.7 | 65.1 | 25.4 | M20 | UC212-39 | FL212 | 3.65 |
UCFL213 | 65 | 258 | 210 | 30 | 22 | 50 | 23 | 155 | 69.7 | 65.1 | 25.4 | M20 | UC213 | FL213 | 4.57 |
UCFL213-40 | 65 | 258 | 210 | 30 | 22 | 50 | 23 | 155 | 69.7 | 65.1 | 25.4 | M20 | UC213-40 | FL213 | 4.66 |
UCFL213-41 | 65 | 258 | 210 | 30 | 22 | 50 | 23 | 155 | 69.7 | 65.1 | 25.4 | M20 | UC213-41 | FL213 | 4.57 |
UCFL214 | 70 | 265 | 216 | 31 | 22 | 54 | 23 | 160 | 75.4 | 74.6 | 30.2 | M20 | UC214 | FL214 | 5.11 |
UCFL214-42 | 70 | 265 | 216 | 31 | 22 | 54 | 23 | 160 | 75.4 | 74.6 | 30.2 | M20 | UC214-42 | FL214 | 5.32 |
UCFL214-43 | 70 | 265 | 216 | 31 | 22 | 54 | 23 | 160 | 75.4 | 74.6 | 30.2 | M20 | UC214-43 | FL214 | 5.22 |
UCFL214-44 | 70 | 265 | 216 | 31 | 22 | 54 | 23 | 160 | 75.4 | 74.6 | 30.2 | M20 | UC214-44 | FL214 | 5.12 |
UCFL215 | 75 | 275 | 225 | 34 | 22 | 56 | 23 | 165 | 78.5 | 77.8 | 33.3 | M20 | UC215 | FL215 | 5.37 |
UCFL215-45 | 75 | 275 | 225 | 34 | 22 | 56 | 23 | 165 | 78.5 | 77.8 | 33.3 | M20 | UC215-45 | FL215 | 5.62 |
UCFL215-46 | 75 | 275 | 225 | 34 | 22 | 56 | 23 | 165 | 78.5 | 77.8 | 33.3 | M20 | UC215-46 | FL215 | 5.51 |
UCFL215-47 | 75 | 275 | 225 | 34 | 22 | 56 | 23 | 165 | 78.5 | 77.8 | 33.3 | M20 | UC215-47 | FL215 | 5.40 |
UCFL215-48 | 75 | 275 | 225 | 34 | 22 | 56 | 23 | 165 | 78.5 | 77.8 | 33.3 | M20 | UC215-48 | FL215 | 5.28 |
UCFL216 | 80 | 290 | 233 | 34 | 22 | 58 | 25 | 180 | 83.3 | 82.6 | 33.3 | M22 | UC216 | FL216 | 7.20 |
UCFL216-49 | 81 | 290 | 233 | 34 | 22 | 58 | 25 | 180 | 83.3 | 82.6 | 33.3 | M22 | UC216-49 | FL216 | 7.38 |
UCFL216-50 | 82 | 290 | 233 | 34 | 22 | 58 | 25 | 180 | 83.3 | 82.6 | 33.3 | M22 | UC216-50 | FL216 | 7.25 |
UCFL216-51 | 83 | 290 | 233 | 34 | 22 | 58 | 25 | 180 | 83.3 | 82.6 | 33.3 | M22 | UC216-51 | FL216 | 7.20 |
UCFL217 | 85 | 305 | 248 | 36 | 24 | 63 | 25 | 190 | 87.6 | 85.7 | 34.1 | M22 | UC217 | FL217 | 8.61 |
UCFL217-52 | 86 | 305 | 248 | 36 | 24 | 63 | 25 | 190 | 87.6 | 85.7 | 34.1 | M22 | UC217-52 | FL217 | 8.83 |
UCFL217-53 | 87 | 305 | 248 | 36 | 24 | 63 | 25 | 190 | 87.6 | 85.7 | 34.1 | M22 | UC217-53 | FL217 | 8.69 |
UCFL217-55 | 88 | 305 | 248 | 36 | 24 | 63 | 25 | 190 | 87.6 | 85.7 | 34.1 | M22 | UC217-55 | FL217 | 8.40 |
UCFL218 | 90 | 320 | 265 | 40 | 24 | 68 | 25 | 205 | 96.3 | 96 | 39.7 | M22 | UC218 | FL218 | 10.51 |
UCFL218-56 | 91 | 320 | 265 | 40 | 24 | 68 | 25 | 205 | 96.3 | 96 | 39.7 | M22 | UC218-56 | FL218 | 10.62 |
UCFL305 | 25 | 150 | 113 | 16 | 13 | 29 | 19 | 80 | 39 | 38 | 15 | M16 | UC305 | FL305 | 1.10 |
UCFL305-14 | 26 | 150 | 113 | 16 | 13 | 29 | 19 | 80 | 39 | 38 | 15 | M16 | UC305-14 | FL305 | 1.10 |
UCFL305-15 | 27 | 150 | 113 | 16 | 13 | 29 | 19 | 80 | 39 | 38 | 15 | M16 | UC305-15 | FL305 | 1.10 |
UCFL305-16 | 28 | 150 | 113 | 16 | 13 | 29 | 19 | 80 | 39 | 38 | 15 | M16 | UC305-16 | FL305 | 1.10 |
UCFL306 | 30 | 180 | 134 | 18 | 15 | 32 | 23 | 90 | 44 | 43 | 17 | M20 | UC306 | FL306 | 1.50 |
UCFL306-18 | 31 | 180 | 134 | 18 | 15 | 32 | 23 | 90 | 44 | 43 | 17 | M20 | UC306-18 | FL306 | 1.50 |
UCFL306-19 | 32 | 180 | 134 | 18 | 15 | 32 | 23 | 90 | 44 | 43 | 17 | M20 | UC306-19 | FL306 | 1.50 |
UCFL307 | 35 | 185 | 141 | 20 | 16 | 36 | 23 | 100 | 49 | 48 | 19 | M20 | UC307 | FL307 | 1.90 |
UCFL307-20 | 36 | 185 | 141 | 20 | 16 | 36 | 23 | 100 | 49 | 48 | 19 | M20 | UC307-20 | FL307 | 1.90 |
UCFL307-21 | 37 | 185 | 141 | 20 | 16 | 36 | 23 | 100 | 49 | 48 | 19 | M20 | UC307-21 | FL307 | 1.90 |
UCFL307-22 | 38 | 185 | 141 | 20 | 16 | 36 | 23 | 100 | 49 | 48 | 19 | M20 | UC307-22 | FL307 | 1.90 |
UCFL308 | 40 | 200 | 158 | 23 | 17 | 40 | 23 | 112 | 56 | 52 | 19 | M20 | UC308 | FL308 | 2.50 |
UCFL308-24 | 41 | 200 | 158 | 23 | 17 | 40 | 23 | 112 | 56 | 52 | 19 | M20 | UC308-24 | FL308 | 2.50 |
UCFL308-25 | 42 | 200 | 158 | 23 | 17 | 40 | 23 | 112 | 56 | 52 | 19 | M20 | UC308-25 | FL308 | 2.50 |
UCFL309 | 45 | 230 | 177 | 25 | 18 | 44 | 25 | 125 | 60 | 57 | 22 | M22 | UC309 | FL309 | 3.40 |
UCFL309-26 | 46 | 230 | 177 | 25 | 18 | 44 | 25 | 125 | 60 | 57 | 22 | M22 | UC309-26 | FL309 | 3.40 |
UCFL309-27 | 47 | 230 | 177 | 25 | 18 | 44 | 25 | 125 | 60 | 57 | 22 | M22 | UC309-27 | FL309 | 3.40 |
UCFL309-28 | 48 | 230 | 177 | 25 | 18 | 44 | 25 | 125 | 60 | 57 | 22 | M22 | UC309-28 | FL309 | 3.40 |
UCFL310 | 50 | 240 | 187 | 28 | 19 | 48 | 25 | 140 | 67 | 61 | 22 | M22 | UC310 | FL310 | 4.40 |
UCFL310-30 | 51 | 240 | 187 | 28 | 19 | 48 | 25 | 140 | 67 | 61 | 22 | M22 | UC310-30 | FL310 | 4.40 |
UCFL310-31 | 52 | 240 | 187 | 28 | 19 | 48 | 25 | 140 | 67 | 61 | 22 | M22 | UC310-31 | FL310 | 4.40 |
UCFL311 | 55 | 250 | 198 | 30 | 20 | 52 | 25 | 150 | 70 | 66 | 25 | M22 | UC311 | FL311 | 5.10 |
UCFL311-32 | 56 | 250 | 198 | 30 | 20 | 52 | 25 | 150 | 70 | 66 | 25 | M22 | UC311-32 | FL311 | 5.10 |
UCFL311-34 | 57 | 250 | 198 | 30 | 20 | 52 | 25 | 150 | 70 | 66 | 25 | M22 | UC311-34 | FL311 | 5.10 |
UCFL311-35 | 58 | 250 | 198 | 30 | 20 | 52 | 25 | 150 | 70 | 66 | 25 | M22 | UC311-35 | FL311 | 5.10 |
UCFL312 | 60 | 270 | 212 | 33 | 22 | 56 | 31 | 160 | 78 | 71 | 26 | M27 | UC312 | FL312 | 6.10 |
UCFL312-36 | 60 | 270 | 212 | 33 | 22 | 56 | 31 | 160 | 78 | 71 | 26 | M27 | UC312-36 | FL312 | 6.10 |
UCFL312-38 | 60 | 270 | 212 | 33 | 22 | 56 | 31 | 160 | 78 | 71 | 26 | M27 | UC312-38 | FL312 | 6.10 |
UCFL312-39 | 60 | 270 | 212 | 33 | 22 | 56 | 31 | 160 | 78 | 71 | 26 | M27 | UC312-39 | FL312 | 6.10 |
UCFL313 | 65 | 295 | 240 | 33 | 25 | 58 | 31 | 175 | 78 | 75 | 30 | M27 | UC313 | FL313 | 7.80 |
UCFL313-40 | 65 | 295 | 240 | 33 | 25 | 58 | 31 | 175 | 78 | 75 | 30 | M27 | UC313-40 | FL313 | 7.80 |
UCFL314 | 70 | 315 | 250 | 36 | 28 | 61 | 35 | 185 | 80 | 78 | 33 | M30 | UC314 | FL314 | 9.00 |
UCFL314-44 | 71 | 315 | 250 | 36 | 28 | 61 | 35 | 185 | 80 | 78 | 33 | M30 | UC314-44 | FL314 | 9.00 |
UCFL315 | 75 | 320 | 260 | 39 | 30 | 66 | 35 | 195 | 89 | 82 | 32 | M30 | UC315 | FL315 | 10.00 |
UCFL315-48 | 75 | 320 | 260 | 39 | 30 | 66 | 35 | 195 | 89 | 82 | 32 | M30 | UC315-48 | FL315 | 10.00 |
UCFL316 | 80 | 355 | 285 | 38 | 32 | 68 | 38 | 210 | 90 | 86 | 34 | M33 | UC316 | FL316 | 13.00 |
UCFL317 | 85 | 370 | 300 | 44 | 32 | 74 | 38 | 220 | 100 | 96 | 40 | M33 | UC317 | FL317 | 15.00 |
UCFL317-4S | 85 | 370 | 300 | 44 | 32 | 74 | 38 | 220 | 100 | 96 | 40 | M33 | UC317-48 | FL317 | 18.00 |
UCFL318 | 90 | 385 | 315 | 44 | 36 | 76 | 38 | 235 | 100 | 96 | 40 | M33 | UC318 | FL318 | 18.00 |
UCFL318-56 | 90 | 385 | 315 | 44 | 36 | 76 | 38 | 235 | 100 | 96 | 40 | M33 | UC318-56 | FL318 | 18.00 |
UCFL319 | 95 | 405 | 330 | 59 | 40 | 94 | 41 | 250 | 121 | 103 | 41 | M36 | UC319 | FL319 | 22.00 |
UCFL319-60 | 95 | 405 | 330 | 59 | 40 | 94 | 41 | 250 | 121 | 103 | 41 | M36 | UC319-60 | FL319 | 22.00 |