Flanged Units
UCFCX Series Round Flange Units with Spigot (X Series)
Round flange housing with a spigot (register) for accurate location in a bore, from the heavier X series, with a set screw insert bearing in a cast iron housing. Both the bolt circle diameter J and the square bolt-hole spacing J1 are listed. Shaft sizes 25mm – 100mm; each size is listed with its dimensions and mass below.
Dimensions & Part Numbers
| Shaft Dia. (mm) | Unit Number | L (mm) | J (Bolt Circle Dia.) (mm) | J1 (Bolt Hole Spacing) (mm) | A2 (mm) | N (Bolt Hole Dia.) (mm) | A3 (mm) | A1 (mm) | A (mm) | H3 (Spigot Dia.) (mm) | A0 (mm) | B (Inner Ring Width) (mm) | S (mm) | F min (mm) | Bolt Size | Bearing Insert No. | Housing No. | Mass (approx.) (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 25 | UCFCX05 | 111 | 92 | 65.1 | 10 | 9.5 | 6 | 24 | 30 | 76 | 38.2 | 38.1 | 15.9 | 46 | M8 | UCX05 | FCX05 | 1.2 |
| 30 | UCFCX06 | 127 | 105 | 74.2 | 8 | 12 | 9.5 | 22.5 | 32 | 85 | 42.9 | 42.9 | 17.5 | 52 | M10 | UCX06 | FCX06 | 1.7 |
| 35 | UCFCX07 | 133 | 111 | 78.5 | 9 | 12 | 11 | 26 | 37 | 92 | 50.2 | 49.2 | 19 | 59 | M10 | UCX07 | FCX07 | 1.9 |
| 40 | UCFCX08 | 133 | 111 | 78.5 | 9 | 12 | 11 | 26 | 37 | 92 | 50.2 | 49.2 | 19 | 63 | M10 | UCX08 | FCX08 | 2 |
| 45 | UCFCX09 | 155 | 130 | 91.9 | 8 | 14 | 12 | 25 | 37 | 108 | 52.6 | 51.6 | 19 | 68 | M12 | UCX09 | FCX09 | 2.6 |
| 50 | UCFCX10 | 162 | 136 | 96.2 | 7 | 14 | 16 | 25 | 41 | 118 | 56.4 | 55.6 | 22.2 | 75 | M12 | UCX10 | FCX10 | 3.1 |
| 55 | UCFCX11 | 180 | 152 | 107.5 | 4 | 16 | 22 | 26 | 48 | 127 | 65.7 | 65.1 | 25.4 | 83 | M14 | UCX11 | FCX11 | 4.2 |
| 60 | UCFCX12 | 194 | 165 | 116.7 | 11 | 16 | 20 | 33 | 53 | 140 | 70.7 | 65.1 | 25.4 | — | M14 | UCX12 | FCX12 | 5.5 |
| 65 | UCFCX13 | 194 | 165 | 116.7 | 11 | 16 | 20 | 33 | 53 | 140 | 75.4 | 74.6 | 30.2 | 94 | M14 | UCX13 | FCX13 | 5.7 |
| 70 | UCFCX14 | 222 | 190 | 134.4 | 14 | 19 | 20 | 36 | 56 | 164 | 78.5 | 77.8 | 33.3 | 100 | M16 | UCX14 | FCX14 | 7.3 |
| 75 | UCFCX15 | 222 | 190 | 134.4 | 12 | 19 | 22 | 35 | 57 | 164 | 83.3 | 82.6 | 33.3 | 105 | M16 | UCX15 | FCX15 | 8 |
| 80 | UCFCX16 | 260 | 219 | 154.9 | 10 | 23 | 25 | 36 | 61 | 186 | 86.6 | 85.7 | 34.1 | 113 | M20 | UCX16 | FCX16 | 12 |
| 85 | UCFCX17 | 260 | 219 | 154.9 | 10 | 23 | 25 | 36 | 61 | 186 | 91.3 | 96 | 39.7 | 119 | M20 | UCX17 | FCX17 | 12 |
| 90 | UCFCX18 | 260 | 219 | 154.9 | 12 | 23 | 28 | 43 | 71 | 186 | 101.1 | 104 | 42.9 | 126 | M20 | UCX18 | FCX18 | 12 |
| 100 | UCFCX20 | 276 | 238 | 168.3 | 22 | 23 | 28 | 66 | 94 | 206 | 118.3 | 117.5 | 49.2 | 139 | M20 | UCX20 | FCX20 | 18 |
Dimensions and part numbers per manufacturer technical catalogue; confirm the exact unit and brand with us before ordering.
Inch Shaft Sizes
The same UCFCX 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 Circle Dia.) (mm) | J1 (Bolt Hole Spacing) (mm) | A2 (mm) | N (Bolt Hole Dia.) (mm) | A3 (mm) | A1 (mm) | A (mm) | H3 (Spigot Dia.) (mm) | A0 (mm) | B (Inner Ring Width) (mm) | S (mm) | F min (mm) | Bolt Size | Bearing Insert No. | Housing No. | Mass (approx.) (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 13/16 in (20.6 mm) | UCFCX05-013 | 111 | 92 | 65.1 | 10 | 9.5 | 6 | 24 | 30 | 76 | 38.2 | 38.1 | 15.9 | 46 | M8 | UCX05-013 | FCX05 | 1.2 |
| 7/8 in (22.2 mm) | UCFCX05-014 | 111 | 92 | 65.1 | 10 | 9.5 | 6 | 24 | 30 | 76 | 38.2 | 38.1 | 15.9 | 46 | M8 | UCX05-014 | FCX05 | 1.2 |
| 15/16 in (23.8 mm) | UCFCX05-015 | 111 | 92 | 65.1 | 10 | 9.5 | 6 | 24 | 30 | 76 | 38.2 | 38.1 | 15.9 | 46 | M8 | UCX05-015 | FCX05 | 1.2 |
| 1 in (25.4 mm) | UCFCX05-100 | 111 | 92 | 65.1 | 10 | 9.5 | 6 | 24 | 30 | 76 | 38.2 | 38.1 | 15.9 | 46 | M8 | UCX05-100 | FCX05 | 1.2 |
| 1-1/16 in (27 mm) | UCFCX06-101 | 127 | 105 | 74.2 | 8 | 12 | 9.5 | 22.5 | 32 | 85 | 42.9 | 42.9 | 17.5 | 52 | M10 | UCX06-101 | FCX06 | 1.7 |
| 1-1/8 in (28.6 mm) | UCFCX06-102 | 127 | 105 | 74.2 | 8 | 12 | 9.5 | 22.5 | 32 | 85 | 42.9 | 42.9 | 17.5 | 52 | M10 | UCX06-102 | FCX06 | 1.7 |
| 1-3/16 in (30.2 mm) | UCFCX06-103 | 127 | 105 | 74.2 | 8 | 12 | 9.5 | 22.5 | 32 | 85 | 42.9 | 42.9 | 17.5 | 52 | M10 | UCX06-103 | FCX06 | 1.7 |
| 1-1/4 in (31.8 mm) | UCFCX06-104 | 127 | 105 | 74.2 | 8 | 12 | 9.5 | 22.5 | 32 | 85 | 42.9 | 42.9 | 17.5 | 52 | M10 | UC207-104 | FCX06 | 1.7 |
| 1-5/16 in (33.3 mm) | UCFCX07-105 | 133 | 111 | 78.5 | 9 | 12 | 11 | 26 | 37 | 92 | 50.2 | 49.2 | 19 | 59 | M10 | UCX07-105 | FCX07 | 1.9 |
| 1-3/8 in (34.9 mm) | UCFCX07-106 | 133 | 111 | 78.5 | 9 | 12 | 11 | 26 | 37 | 92 | 50.2 | 49.2 | 19 | 59 | M10 | UCX07-106 | FCX07 | 1.9 |
| 1-7/16 in (36.5 mm) | UCFCX07-107 | 133 | 111 | 78.5 | 9 | 12 | 11 | 26 | 37 | 92 | 50.2 | 49.2 | 19 | 59 | M10 | UCX07-107 | FCX07 | 1.9 |
| 1-1/2 in (38.1 mm) | UCFCX08-108 | 133 | 111 | 78.5 | 9 | 12 | 11 | 26 | 37 | 92 | 50.2 | 49.2 | 19 | 63 | M10 | UCX08-108 | FCX08 | 2 |
| 1-9/16 in (39.7 mm) | UCFCX08-109 | 133 | 111 | 78.5 | 9 | 12 | 11 | 26 | 37 | 92 | 50.2 | 49.2 | 19 | 63 | M10 | UCX08-109 | FCX08 | 2 |
| 1-5/8 in (41.3 mm) | UCFCX09-110 | 155 | 130 | 91.9 | 8 | 14 | 12 | 25 | 37 | 108 | 52.6 | 51.6 | 19 | 68 | M12 | UCX09-110 | FCX09 | 2.6 |
| 1-11/16 in (42.9 mm) | UCFCX09-111 | 155 | 130 | 91.9 | 8 | 14 | 12 | 25 | 37 | 108 | 52.6 | 51.6 | 19 | 68 | M12 | UCX09-111 | FCX09 | 2.6 |
| 1-3/4 in (44.5 mm) | UCFCX09-112 | 155 | 130 | 91.9 | 8 | 14 | 12 | 25 | 37 | 108 | 52.6 | 51.6 | 19 | 68 | M12 | UCX09-112 | FCX09 | 2.6 |
| 1-13/16 in (46 mm) | UCFCX09-113 | 155 | 130 | 91.9 | 8 | 14 | 12 | 25 | 37 | 108 | 52.6 | 51.6 | 19 | 68 | M12 | UC210-113 | FCX09 | 2.6 |
| 1-7/8 in (47.6 mm) | UCFCX10-114 | 162 | 136 | 96.2 | 7 | 14 | 16 | 25 | 41 | 118 | 56.4 | 55.6 | 22.2 | 75 | M12 | UCX10-114 | FCX10 | 3.1 |
| 1-15/16 in (49.2 mm) | UCFCX10-115 | 162 | 136 | 96.2 | 7 | 14 | 16 | 25 | 41 | 118 | 56.4 | 55.6 | 22.2 | 75 | M12 | UCX10-115 | FCX10 | 3.1 |
| 2 in (50.8 mm) | UCFCX10-200 | 162 | 136 | 96.2 | 7 | 14 | 16 | 25 | 41 | 118 | 56.4 | 55.6 | 22.2 | 75 | M12 | UC211-200 | FCX10 | 3.1 |
| 2-1/16 in (52.4 mm) | UCFCX11-201 | 180 | 152 | 107.5 | 4 | 16 | 22 | 26 | 48 | 127 | 65.7 | 65.1 | 25.4 | 83 | M14 | UCX11-201 | FCX11 | 4.2 |
| 2-1/8 in (54 mm) | UCFCX11-202 | 180 | 152 | 107.5 | 4 | 16 | 22 | 26 | 48 | 127 | 65.7 | 65.1 | 25.4 | 83 | M14 | UCX11-202 | FCX11 | 4.2 |
| 2-3/16 in (55.6 mm) | UCFCX11-203 | 180 | 152 | 107.5 | 4 | 16 | 22 | 26 | 48 | 127 | 65.7 | 65.1 | 25.4 | 83 | M14 | UCX11-203 | FCX11 | 4.2 |
| 2-1/4 in (57.2 mm) | UCFCX11-204 | 180 | 152 | 107.5 | 4 | 16 | 22 | 26 | 48 | 127 | 65.7 | 65.1 | 25.4 | 83 | M14 | UC212-204 | FCX11 | 4.2 |
| 2-5/16 in (58.7 mm) | UCFCX11-205 | 180 | 152 | 107.5 | 4 | 16 | 22 | 26 | 48 | 127 | 65.7 | 65.1 | 25.4 | 83 | M14 | UC212-205 | FCX11 | 4.2 |
| 2-3/8 in (60.3 mm) | UCFCX12-206 | 194 | 165 | 116.7 | 11 | 16 | 20 | 33 | 53 | 140 | 70.7 | 65.1 | 25.4 | — | M14 | UCX12-206 | FCX12 | 5.5 |
| 2-7/16 in (61.9 mm) | UCFCX12-207 | 194 | 165 | 116.7 | 11 | 16 | 20 | 33 | 53 | 140 | 70.7 | 65.1 | 25.4 | — | M14 | UCX12-207 | FCX12 | 5.5 |
| 2-1/2 in (63.5 mm) | UCFCX13-208 | 194 | 165 | 116.7 | 11 | 16 | 20 | 33 | 53 | 140 | 75.4 | 74.6 | 30.2 | 94 | M14 | UCX13-208 | FCX13 | 5.7 |
| 2-9/16 in (65.1 mm) | UCFCX13-209 | 194 | 165 | 116.7 | 11 | 16 | 20 | 33 | 53 | 140 | 75.4 | 74.6 | 30.2 | 94 | M14 | UCX13-209 | FCX13 | 5.7 |
| 2-5/8 in (66.7 mm) | UCFCX14-210 | 222 | 190 | 134.4 | 14 | 19 | 20 | 36 | 56 | 164 | 78.5 | 77.8 | 33.3 | 100 | M16 | UCX14-210 | FCX14 | 7.3 |
| 2-11/16 in (68.3 mm) | UCFCX14-211 | 222 | 190 | 134.4 | 14 | 19 | 20 | 36 | 56 | 164 | 78.5 | 77.8 | 33.3 | 100 | M16 | UCX14-211 | FCX14 | 7.3 |
| 2-3/4 in (69.9 mm) | UCFCX14-212 | 222 | 190 | 134.4 | 14 | 19 | 20 | 36 | 56 | 164 | 78.5 | 77.8 | 33.3 | 100 | M16 | UCX14-212 | FCX14 | 7.3 |
| 2-13/16 in (71.4 mm) | UCFCX15-213 | 222 | 190 | 134.4 | 12 | 19 | 22 | 35 | 57 | 164 | 83.3 | 82.6 | 33.3 | 105 | M16 | UCX15-213 | FCX15 | 8 |
| 2-7/8 in (73 mm) | UCFCX15-214 | 222 | 190 | 134.4 | 12 | 19 | 22 | 35 | 57 | 164 | 83.3 | 82.6 | 33.3 | 105 | M16 | UCX15-214 | FCX15 | 8 |
| 2-15/16 in (74.6 mm) | UCFCX15-215 | 222 | 190 | 134.4 | 12 | 19 | 22 | 35 | 57 | 164 | 83.3 | 82.6 | 33.3 | 105 | M16 | UCX15-215 | FCX15 | 8 |
| 3 in (76.2 mm) | UCFCX15-300 | 222 | 190 | 134.4 | 12 | 19 | 22 | 35 | 57 | 164 | 83.3 | 82.6 | 33.3 | 105 | M16 | UCX15-300 | FCX15 | 8 |
| 3-1/16 in (77.8 mm) | UCFCX16-301 | 260 | 219 | 154.9 | 10 | 23 | 25 | 36 | 61 | 186 | 86.6 | 85.7 | 34.1 | 113 | M20 | UCX16-301 | FCX16 | 12 |
| 3-1/8 in (79.4 mm) | UCFCX16-302 | 260 | 219 | 154.9 | 10 | 23 | 25 | 36 | 61 | 186 | 86.6 | 85.7 | 34.1 | 113 | M20 | UCX16-302 | FCX16 | 12 |
| 3-3/16 in (81 mm) | UCFCX16-303 | 260 | 219 | 154.9 | 10 | 23 | 25 | 36 | 61 | 186 | 86.6 | 85.7 | 34.1 | 113 | M20 | UCX16-303 | FCX16 | 12 |
| 3-1/4 in (82.6 mm) | UCFCX16-304 | 260 | 219 | 154.9 | 10 | 23 | 25 | 36 | 61 | 186 | 86.6 | 85.7 | 34.1 | 113 | M20 | UC217-304 | FCX16 | 12 |
| 3-5/16 in (84.1 mm) | UCFCX17-305 | 260 | 219 | 154.9 | 10 | 23 | 25 | 36 | 61 | 186 | 91.3 | 96 | 39.7 | 119 | M20 | UCX17-305 | FCX17 | 12 |
| 3-7/16 in (87.3 mm) | UCFCX17-307 | 260 | 219 | 154.9 | 10 | 23 | 25 | 36 | 61 | 186 | 91.3 | 96 | 39.7 | 119 | M20 | UCX17-307 | FCX17 | 12 |
| 3-7/16 in (87.3 mm) | UCFCX18-307 | 260 | 219 | 154.9 | 12 | 23 | 28 | 43 | 71 | 186 | 101.1 | 104 | 42.9 | 126 | M20 | UCX18-307 | FCX18 | 12 |
| 3-1/2 in (88.9 mm) | UCFCX18-308 | 260 | 219 | 154.9 | 12 | 23 | 28 | 43 | 71 | 186 | 101.1 | 104 | 42.9 | 126 | M20 | UCX18-308 | FCX18 | 12 |
| 3-13/16 in (96.8 mm) | UCFCX20-313 | 276 | 238 | 168.3 | 22 | 23 | 28 | 66 | 94 | 206 | 118.3 | 117.5 | 49.2 | 139 | M20 | UCX20-313 | FCX20 | 18 |
| 3-7/8 in (98.4 mm) | UCFCX20-314 | 276 | 238 | 168.3 | 22 | 23 | 28 | 66 | 94 | 206 | 118.3 | 117.5 | 49.2 | 139 | M20 | UCX20-314 | FCX20 | 18 |
| 3-15/16 in (100 mm) | UCFCX20-315 | 276 | 238 | 168.3 | 22 | 23 | 28 | 66 | 94 | 206 | 118.3 | 117.5 | 49.2 | 139 | M20 | UCX20-315 | FCX20 | 18 |
| 4 in (101.6 mm) | UCFCX20-400 | 276 | 238 | 168.3 | 22 | 23 | 28 | 66 | 94 | 206 | 118.3 | 117.5 | 49.2 | 139 | M20 | UCX20-400 | FCX20 | 18 |
Typical Applications
- Applications needing a located bore fit
- Machine frames and end plates
- Fans and mixers
- General industrial shafting
Frequently Asked Questions
What sizes are available in the UCFCX series?
UCFCX 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 UCFCX?
UCFCX uses a cast iron housing with set screw locking, sourced from NTN, FAG, SKF, FYH, Asahi, DTC and SLS.
What is UCFCX typically used for?
Common applications include applications needing a located bore fit and machine frames and end plates, 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 UCFCX units?
Share your shaft size and quantity — our technical team will confirm availability and pricing within one business day.
