Flanged Units
UCFX Series Square Flange Units (X Series)
Four-bolt square flange housing that bolts against a flat machine face, with a set screw insert bearing in a cast iron housing. Shaft sizes 25mm – 100mm; each size is listed with its dimensions below.
Dimensions & Part Numbers
| Shaft Dia. (mm) | Unit Number | L (mm) | J (Bolt Hole Spacing) (mm) | A2 (mm) | A1 (mm) | A (mm) | N (Bolt Hole Dia.) (mm) | A0 (mm) | B (Inner Ring Width) (mm) | S (mm) | Bolt Size | Bearing Insert No. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 25 | UCFX05 | 108 | 83 | 18 | 13 | 30 | 12 | 40.2 | 38.1 | 15.9 | M10 | UCX05 |
| 30 | UCFX06 | 117 | 92 | 19 | 14 | 34 | 16 | 44.4 | 42.9 | 17.5 | M14 | UCX06 |
| 35 | UCFX07 | 130 | 102 | 21 | 14 | 38 | 16 | 51.2 | 49.2 | 19 | M14 | UCX07 |
| 40 | UCFX08 | 137 | 105 | 22 | 14 | 40 | 19 | 52.2 | 49.2 | 19 | M16 | UCX08 |
| 45 | UCFX09 | 143 | 111 | 23 | 14 | 40 | 19 | 55.6 | 51.6 | 19 | M16 | UCX09 |
| 50 | UCFX10 | 162 | 130 | 26 | 20 | 44 | 19 | 59.4 | 55.6 | 22.2 | M16 | UCX10 |
| 55 | UCFX11 | 175 | 143 | 29 | 20 | 49 | 19 | 68.7 | 65.1 | 25.4 | M16 | UCX11 |
| 60 | UCFX12 | 187 | 149 | 34 | 21 | 59 | 19 | 73.7 | 65.1 | 25.4 | M16 | UCX12 |
| 65 | UCFX13 | 187 | 149 | 34 | 21 | 59 | 19 | 78.4 | 74.6 | 30.2 | M16 | UCX13 |
| 70 | UCFX14 | 197 | 152 | 37 | 24 | 60 | 23 | 81.5 | 77.8 | 33.3 | M20 | UCX14 |
| 75 | UCFX15 | 197 | 152 | 40 | 24 | 68 | 23 | 89.3 | 82.6 | 33.3 | M20 | UCX15 |
| 80 | UCFX16 | 214 | 171 | 40 | 24 | 70 | 23 | 91.6 | 85.7 | 34.1 | M20 | UCX16 |
| 85 | UCFX17 | 214 | 171 | 40 | 24 | 70 | 23 | 96.3 | 96 | 39.7 | M20 | UCX17 |
| 90 | UCFX18 | 214 | 171 | 45 | 24 | 76 | 23 | 106.1 | 104 | 42.9 | M20 | UCX18 |
| 100 | UCFX20 | 268 | 211 | 59 | 31 | 97 | 31 | 127.3 | 117.5 | 49.2 | M27 | UCX20 |
Dimensions and part numbers per manufacturer technical catalogue; confirm the exact unit and brand with us before ordering.
Inch Shaft Sizes
The same UCFX housings are also supplied with inch-bore insert bearings. The unit number carries a suffix for the shaft size (for example -104 is 1-1/4 inch), and the housing dimensions are the same as the metric unit in the table above.
| Shaft Dia. (in) | Unit Number | L (mm) | J (Bolt Hole Spacing) (mm) | A2 (mm) | A1 (mm) | A (mm) | N (Bolt Hole Dia.) (mm) | A0 (mm) | B (Inner Ring Width) (mm) | S (mm) | Bolt Size | Bearing Insert No. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 13/16 in (20.6 mm) | UCFX05-013 | 108 | 83 | 18 | 13 | 30 | 12 | 40.2 | 38.1 | 15.9 | M10 | UCX05-013 |
| 7/8 in (22.2 mm) | UCFX05-014 | 108 | 83 | 18 | 13 | 30 | 12 | 40.2 | 38.1 | 15.9 | M10 | UCX05-014 |
| 15/16 in (23.8 mm) | UCFX05-015 | 108 | 83 | 18 | 13 | 30 | 12 | 40.2 | 38.1 | 15.9 | M10 | UCX05-015 |
| 1 in (25.4 mm) | UCFX05-100 | 108 | 83 | 18 | 13 | 30 | 12 | 40.2 | 38.1 | 15.9 | M10 | UCX05-100 |
| 1-1/16 in (27 mm) | UCFX06-101 | 117 | 92 | 19 | 14 | 34 | 16 | 44.4 | 42.9 | 17.5 | M14 | UCX06-101 |
| 1-1/8 in (28.6 mm) | UCFX06-102 | 117 | 92 | 19 | 14 | 34 | 16 | 44.4 | 42.9 | 17.5 | M14 | UCX06-102 |
| 1-3/16 in (30.2 mm) | UCFX06-103 | 117 | 92 | 19 | 14 | 34 | 16 | 44.4 | 42.9 | 17.5 | M14 | UCX06-103 |
| 1-1/4 in (31.8 mm) | UCFX06-104 | 117 | 92 | 19 | 14 | 34 | 16 | 44.4 | 42.9 | 17.5 | M14 | UC207-104 |
| 1-5/16 in (33.3 mm) | UCFX07-105 | 130 | 102 | 21 | 14 | 38 | 16 | 51.2 | 49.2 | 19 | M14 | UCX07-105 |
| 1-3/8 in (34.9 mm) | UCFX07-106 | 130 | 102 | 21 | 14 | 38 | 16 | 51.2 | 49.2 | 19 | M14 | UCX07-106 |
| 1-7/16 in (36.5 mm) | UCFX07-107 | 130 | 102 | 21 | 14 | 38 | 16 | 51.2 | 49.2 | 19 | M14 | UCX07-107 |
| 1-1/2 in (38.1 mm) | UCFX08-108 | 137 | 105 | 22 | 14 | 40 | 19 | 52.2 | 49.2 | 19 | M16 | UCX08-108 |
| 1-9/16 in (39.7 mm) | UCFX08-109 | 137 | 105 | 22 | 14 | 40 | 19 | 52.2 | 49.2 | 19 | M16 | UCX08-109 |
| 1-5/8 in (41.3 mm) | UCFX09-110 | 143 | 111 | 23 | 14 | 40 | 19 | 55.6 | 51.6 | 19 | M16 | UCX09-110 |
| 1-11/16 in (42.9 mm) | UCFX09-111 | 143 | 111 | 23 | 14 | 40 | 19 | 55.6 | 51.6 | 19 | M16 | UCX09-111 |
| 1-3/4 in (44.5 mm) | UCFX09-112 | 143 | 111 | 23 | 14 | 40 | 19 | 55.6 | 51.6 | 19 | M16 | UCX09-112 |
| 1-13/16 in (46 mm) | UCFX09-113 | 143 | 111 | 23 | 14 | 40 | 19 | 55.6 | 51.6 | 19 | M16 | UC210-113 |
| 1-7/8 in (47.6 mm) | UCFX10-114 | 162 | 130 | 26 | 20 | 44 | 19 | 59.4 | 55.6 | 22.2 | M16 | UCX10-114 |
| 1-15/16 in (49.2 mm) | UCFX10-115 | 162 | 130 | 26 | 20 | 44 | 19 | 59.4 | 55.6 | 22.2 | M16 | UCX10-115 |
| 2 in (50.8 mm) | UCFX10-200 | 162 | 130 | 26 | 20 | 44 | 19 | 59.4 | 55.6 | 22.2 | M16 | UC211-200 |
| 2-1/16 in (52.4 mm) | UCFX11-201 | 175 | 143 | 29 | 20 | 49 | 19 | 68.7 | 65.1 | 25.4 | M16 | UCX11-201 |
| 2-1/8 in (54 mm) | UCFX11-202 | 175 | 143 | 29 | 20 | 49 | 19 | 68.7 | 65.1 | 25.4 | M16 | UCX11-202 |
| 2-3/16 in (55.6 mm) | UCFX11-203 | 175 | 143 | 29 | 20 | 49 | 19 | 68.7 | 65.1 | 25.4 | M16 | UCX11-203 |
| 2-1/4 in (57.2 mm) | UCFX11-204 | 175 | 143 | 29 | 20 | 49 | 19 | 68.7 | 65.1 | 25.4 | M16 | UC212-204 |
| 2-5/16 in (58.7 mm) | UCFX11-205 | 175 | 143 | 29 | 20 | 49 | 19 | 68.7 | 65.1 | 25.4 | M16 | UC212-205 |
| 2-3/8 in (60.3 mm) | UCFX12-206 | 187 | 149 | 34 | 21 | 59 | 19 | 73.7 | 65.1 | 25.4 | M16 | UCX12-206 |
| 2-7/16 in (61.9 mm) | UCFX12-207 | 187 | 149 | 34 | 21 | 59 | 19 | 73.7 | 65.1 | 25.4 | M16 | UCX12-207 |
| 2-1/2 in (63.5 mm) | UCFX13-208 | 187 | 149 | 34 | 21 | 59 | 19 | 78.4 | 74.6 | 30.2 | M16 | UCX13-208 |
| 2-9/16 in (65.1 mm) | UCFX13-209 | 187 | 149 | 34 | 21 | 59 | 19 | 78.4 | 74.6 | 30.2 | M16 | UCX13-209 |
| 2-5/8 in (66.7 mm) | UCFX14-210 | 197 | 152 | 37 | 24 | 60 | 23 | 81.5 | 77.8 | 33.3 | M20 | UCX14-210 |
| 2-11/16 in (68.3 mm) | UCFX14-211 | 197 | 152 | 37 | 24 | 60 | 23 | 81.5 | 77.8 | 33.3 | M20 | UCX14-211 |
| 2-3/4 in (69.9 mm) | UCFX14-212 | 197 | 152 | 37 | 24 | 60 | 23 | 81.5 | 77.8 | 33.3 | M20 | UCX14-212 |
| 2-13/16 in (71.4 mm) | UCFX15-213 | 197 | 152 | 40 | 24 | 68 | 23 | 89.3 | 82.6 | 33.3 | M20 | UCX15-213 |
| 2-7/8 in (73 mm) | UCFX15-214 | 197 | 152 | 40 | 24 | 68 | 23 | 89.3 | 82.6 | 33.3 | M20 | UCX15-214 |
| 2-15/16 in (74.6 mm) | UCFX15-215 | 197 | 152 | 40 | 24 | 68 | 23 | 89.3 | 82.6 | 33.3 | M20 | UCX15-215 |
| 3 in (76.2 mm) | UCFX15-300 | 197 | 152 | 40 | 24 | 68 | 23 | 89.3 | 82.6 | 33.3 | M20 | UCX15-300 |
| 3-1/16 in (77.8 mm) | UCFX16-301 | 214 | 171 | 40 | 24 | 70 | 23 | 91.6 | 85.7 | 34.1 | M20 | UCX16-301 |
| 3-1/8 in (79.4 mm) | UCFX16-302 | 214 | 171 | 40 | 24 | 70 | 23 | 91.6 | 85.7 | 34.1 | M20 | UCX16-302 |
| 3-3/16 in (81 mm) | UCFX16-303 | 214 | 171 | 40 | 24 | 70 | 23 | 91.6 | 85.7 | 34.1 | M20 | UCX16-303 |
| 3-1/4 in (82.6 mm) | UCFX16-304 | 214 | 171 | 40 | 24 | 70 | 23 | 91.6 | 85.7 | 34.1 | M20 | UC217-304 |
| 3-5/16 in (84.1 mm) | UCFX17-305 | 214 | 171 | 40 | 24 | 70 | 23 | 96.3 | 96 | 39.7 | M20 | UCX17-305 |
| 3-7/16 in (87.3 mm) | UCFX17-307 | 214 | 171 | 40 | 24 | 70 | 23 | 96.3 | 96 | 39.7 | M20 | UCX17-307 |
| 3-7/16 in (87.3 mm) | UCFX18-307 | 214 | 171 | 45 | 24 | 76 | 23 | 106.1 | 104 | 42.9 | M20 | UCX18-307 |
| 3-1/2 in (88.9 mm) | UCFX18-308 | 214 | 171 | 45 | 24 | 76 | 23 | 106.1 | 104 | 42.9 | M20 | UCX18-308 |
| 3-13/16 in (96.8 mm) | UCFX20-313 | 268 | 211 | 59 | 31 | 97 | 31 | 127.3 | 117.5 | 49.2 | M27 | UCX20-313 |
| 3-7/8 in (98.4 mm) | UCFX20-314 | 268 | 211 | 59 | 31 | 97 | 31 | 127.3 | 117.5 | 49.2 | M27 | UCX20-314 |
| 3-15/16 in (100 mm) | UCFX20-315 | 268 | 211 | 59 | 31 | 97 | 31 | 127.3 | 117.5 | 49.2 | M27 | UCX20-315 |
| 4 in (101.6 mm) | UCFX20-400 | 268 | 211 | 59 | 31 | 97 | 31 | 127.3 | 117.5 | 49.2 | M27 | UCX20-400 |
Typical Applications
- Machine frames and end plates
- Conveyor drive ends
- Fans, pumps and mixers
- General industrial shafting
Frequently Asked Questions
What sizes are available in the UCFX series?
UCFX units are available from 25mm – 100mm bore, as listed in the dimension table below. Each size has its own part number for ordering.
What is the housing material and locking type for UCFX?
UCFX uses a cast iron housing with set screw locking, sourced from NTN, FAG, SKF, FYH, Asahi, DTC and SLS.
What is UCFX typically used for?
Common applications include machine frames and end plates and conveyor drive ends, and similar general industrial shaft-support duties.
Can’t find your size?
We supply sizes, brands and special versions of mounted bearing units that are not listed on this page. Type the exact size or designation you need and send it to us for a quote.
Need pricing on UCFX units?
Share your shaft size and quantity — our technical team will confirm availability and pricing within one business day.
