Flanged Units
UCFG3 Series Steel Square Flange Units (Heavy Series)
Four-bolt square flange housing that bolts against a flat machine face, with a set screw insert bearing in a steel housing. Shaft sizes 25mm – 140mm; 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 | UCFG305 | 110 | 80 | 16 | 13 | 29 | 16 | 39 | 38 | 15 | M14 | UC305 |
| 30 | UCFG306 | 125 | 95 | 18 | 15 | 32 | 16 | 44 | 43 | 17 | M14 | UC306 |
| 35 | UCFG307 | 135 | 100 | 20 | 16 | 36 | 19 | 49 | 48 | 19 | M16 | UC307 |
| 40 | UCFG308 | 150 | 112 | 23 | 17 | 40 | 19 | 56 | 52 | 19 | M16 | UC308 |
| 45 | UCFG309 | 160 | 125 | 25 | 18 | 44 | 19 | 60 | 57 | 22 | M16 | UC309 |
| 50 | UCFG310 | 175 | 132 | 28 | 19 | 48 | 23 | 67 | 61 | 22 | M20 | UC310 |
| 55 | UCFG311 | 185 | 140 | 30 | 20 | 52 | 23 | 71 | 66 | 25 | M20 | UC311 |
| 60 | UCFG312 | 195 | 150 | 33 | 22 | 56 | 23 | 78 | 71 | 26 | M20 | UC312 |
| 65 | UCFG313 | 208 | 166 | 33 | 22 | 58 | 23 | 78 | 75 | 30 | M20 | UC313 |
| 70 | UCFG314 | 226 | 178 | 36 | 25 | 61 | 25 | 81 | 78 | 33 | M22 | UC314 |
| 75 | UCFG315 | 236 | 184 | 39 | 25 | 66 | 25 | 89 | 82 | 32 | M22 | UC315 |
| 80 | UCFG316 | 250 | 196 | 38 | 27 | 68 | 31 | 90 | 86 | 34 | M27 | UC316 |
| 85 | UCFG317 | 260 | 204 | 44 | 27 | 74 | 31 | 100 | 96 | 40 | M27 | UC317 |
| 90 | UCFG318 | 280 | 216 | 44 | 30 | 76 | 35 | 100 | 96 | 40 | M30 | UC318 |
| 95 | UCFG319 | 290 | 228 | 59 | 30 | 94 | 35 | 121 | 103 | 41 | M30 | UC319 |
| 100 | UCFG320 | 310 | 242 | 59 | 32 | 94 | 38 | 125 | 108 | 42 | M33 | UC320 |
| 105 | UCFG321 | 310 | 242 | 59 | 32 | 94 | 38 | 127 | 112 | 44 | M33 | UC321 |
| 110 | UCFG322 | 340 | 266 | 60 | 35 | 96 | 41 | 131 | 117 | 46 | M36 | UC322 |
| 120 | UCFG324 | 370 | 290 | 65 | 40 | 110 | 41 | 140 | 126 | 51 | M36 | UC324 |
| 130 | UCFG326 | 410 | 320 | 65 | 45 | 115 | 41 | 146 | 135 | 54 | M36 | UC326 |
| 140 | UCFG328 | 450 | 350 | 75 | 55 | 125 | 41 | 161 | 145 | 59 | M36 | UC328 |
Dimensions and part numbers per manufacturer technical catalogue; confirm the exact unit and brand with us before ordering.
Request Quote for UCFG3Typical 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 UCFG3 series?
UCFG3 units are available from 25mm – 140mm 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 UCFG3?
UCFG3 uses a steel housing with set screw locking, sourced from NTN, FAG, SKF, FYH, Asahi, DTC and SLS.
What is UCFG3 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 UCFG3 units?
Share your shaft size and quantity — our technical team will confirm availability and pricing within one business day.