Flanged Units
UCFSG3 Series Steel Square Flange Units with Spigot
Four-bolt square flange housing with a spigot (register) for accurate location in a bore, 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) | N (Bolt Hole Dia.) (mm) | A3 (mm) | A1 (mm) | A (mm) | H3 (mm) | A0 (mm) | B (Inner Ring Width) (mm) | S (mm) | Bolt Size | Bearing Insert No. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 25 | UCFSG305 | 110 | 80 | 9 | 16 | 7 | 13 | 29 | 80 | 39 | 38 | 15 | M14 | UC305 |
| 30 | UCFSG306 | 125 | 95 | 10 | 16 | 8 | 15 | 32 | 90 | 44 | 43 | 17 | M14 | UC306 |
| 35 | UCFSG307 | 135 | 100 | 11 | 19 | 9 | 16 | 36 | 100 | 49 | 48 | 19 | M16 | UC307 |
| 40 | UCFSG308 | 150 | 112 | 13 | 19 | 10 | 17 | 40 | 115 | 56 | 52 | 19 | M16 | UC308 |
| 45 | UCFSG309 | 160 | 125 | 14 | 19 | 11 | 18 | 44 | 125 | 60 | 57 | 22 | M16 | UC309 |
| 50 | UCFSG310 | 175 | 132 | 16 | 23 | 12 | 19 | 48 | 140 | 67 | 61 | 22 | M20 | UC310 |
| 55 | UCFSG311 | 185 | 140 | 17 | 23 | 13 | 20 | 52 | 150 | 71 | 66 | 25 | M20 | UC311 |
| 60 | UCFSG312 | 195 | 150 | 19 | 23 | 14 | 22 | 56 | 160 | 78 | 71 | 26 | M20 | UC312 |
| 65 | UCFSG313 | 208 | 166 | 15 | 23 | 18 | 22 | 58 | 175 | 78 | 75 | 30 | M20 | UC313 |
| 70 | UCFSG314 | 226 | 178 | 18 | 25 | 18 | 25 | 61 | 185 | 81 | 78 | 33 | M22 | UC314 |
| 75 | UCFSG315 | 236 | 184 | 21 | 25 | 18 | 25 | 66 | 200 | 89 | 82 | 32 | M22 | UC315 |
| 80 | UCFSG316 | 250 | 196 | 18 | 31 | 20 | 27 | 68 | 210 | 90 | 86 | 34 | M27 | UC316 |
| 85 | UCFSG317 | 260 | 204 | 24 | 31 | 20 | 27 | 74 | 220 | 100 | 96 | 40 | M27 | UC317 |
| 90 | UCFSG318 | 280 | 216 | 24 | 35 | 20 | 30 | 76 | 240 | 100 | 96 | 40 | M30 | UC318 |
| 95 | UCFSG319 | 290 | 228 | 39 | 35 | 20 | 30 | 94 | 250 | 121 | 103 | 41 | M30 | UC319 |
| 100 | UCFSG320 | 310 | 242 | 39 | 38 | 20 | 32 | 94 | 260 | 125 | 108 | 42 | M33 | UC320 |
| 105 | UCFSG321 | 310 | 242 | 39 | 38 | 20 | 32 | 94 | 260 | 127 | 112 | 44 | M33 | UC321 |
| 110 | UCFSG322 | 340 | 266 | 35 | 41 | 25 | 35 | 96 | 300 | 131 | 117 | 46 | M36 | UC322 |
| 120 | UCFSG324 | 370 | 290 | 35 | 41 | 30 | 40 | 110 | 330 | 140 | 126 | 51 | M36 | UC324 |
| 130 | UCFSG326 | 410 | 320 | 35 | 41 | 30 | 45 | 115 | 360 | 146 | 135 | 54 | M36 | UC326 |
| 140 | UCFSG328 | 450 | 350 | 45 | 41 | 30 | 55 | 125 | 400 | 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 UCFSG3Typical 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 UCFSG3 series?
UCFSG3 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 UCFSG3?
UCFSG3 uses a steel housing with set screw locking, sourced from NTN, FAG, SKF, FYH, Asahi, DTC and SLS.
What is UCFSG3 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 UCFSG3 units?
Share your shaft size and quantity — our technical team will confirm availability and pricing within one business day.