Flanged Units
UCFS3 Series 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 cast iron housing. Shaft sizes 60mm – 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 60 | UCFS312 | 195 | 150 | 19 | 23 | 14 | 22 | 56 | 160 | 78 | 71 | 26 | M20 |
| 65 | UCFS313 | 208 | 166 | 15 | 23 | 18 | 22 | 58 | 175 | 78 | 75 | 30 | M20 |
| 70 | UCFS314 | 226 | 178 | 18 | 25 | 18 | 25 | 61 | 185 | 81 | 78 | 33 | M22 |
| 75 | UCFS315 | 236 | 184 | 21 | 25 | 18 | 25 | 66 | 200 | 89 | 82 | 32 | M22 |
| 80 | UCFS316 | 250 | 196 | 18 | 31 | 20 | 27 | 68 | 210 | 90 | 86 | 34 | M27 |
| 85 | UCFS317 | 260 | 204 | 24 | 31 | 20 | 27 | 74 | 220 | 100 | 96 | 40 | M27 |
| 90 | UCFS318 | 280 | 216 | 24 | 35 | 20 | 30 | 76 | 240 | 100 | 96 | 40 | M30 |
| 95 | UCFS319 | 290 | 228 | 39 | 35 | 20 | 30 | 94 | 250 | 121 | 103 | 41 | M30 |
| 100 | UCFS320 | 310 | 242 | 39 | 38 | 20 | 32 | 94 | 260 | 125 | 108 | 42 | M33 |
| 105 | UCFS321 | 310 | 242 | 39 | 38 | 20 | 32 | 94 | 260 | 127 | 112 | 44 | M33 |
| 110 | UCFS322 | 340 | 266 | 35 | 41 | 25 | 35 | 96 | 300 | 131 | 117 | 46 | M36 |
| 120 | UCFS324 | 370 | 290 | 35 | 41 | 30 | 40 | 110 | 330 | 140 | 126 | 51 | M36 |
| 130 | UCFS326 | 410 | 320 | 35 | 41 | 30 | 45 | 115 | 360 | 146 | 135 | 54 | M36 |
| 140 | UCFS328 | 450 | 350 | 45 | 41 | 30 | 55 | 125 | 400 | 161 | 145 | 59 | M36 |
Dimensions and part numbers per manufacturer technical catalogue; confirm the exact unit and brand with us before ordering.
Inch Shaft Sizes
The same UCFS3 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) | N (Bolt Hole Dia.) (mm) | A3 (mm) | A1 (mm) | A (mm) | H3 (mm) | A0 (mm) | B (Inner Ring Width) (mm) | S (mm) | Bolt Size |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2-1/4 in (57.2 mm) | UCFS312-204 | 195 | 150 | 19 | 23 | 14 | 22 | 56 | 160 | 78 | 71 | 26 | M20 |
| 2-5/16 in (58.7 mm) | UCFS312-205 | 195 | 150 | 19 | 23 | 14 | 22 | 56 | 160 | 78 | 71 | 26 | M20 |
| 2-3/8 in (60.3 mm) | UCFS312-206 | 195 | 150 | 19 | 23 | 14 | 22 | 56 | 160 | 78 | 71 | 26 | M20 |
| 2-7/16 in (61.9 mm) | UCFS312-207 | 195 | 150 | 19 | 23 | 14 | 22 | 56 | 160 | 78 | 71 | 26 | M20 |
| 2-1/2 in (63.5 mm) | UCFS313-208 | 208 | 166 | 15 | 23 | 18 | 22 | 58 | 175 | 78 | 75 | 30 | M20 |
| 2-9/16 in (65.1 mm) | UCFS313-209 | 208 | 166 | 15 | 23 | 18 | 22 | 58 | 175 | 78 | 75 | 30 | M20 |
| 2-5/8 in (66.7 mm) | UCFS314-210 | 226 | 178 | 18 | 25 | 18 | 25 | 61 | 185 | 81 | 78 | 33 | M22 |
| 2-11/16 in (68.3 mm) | UCFS314-211 | 226 | 178 | 18 | 25 | 18 | 25 | 61 | 185 | 81 | 78 | 33 | M22 |
| 2-3/4 in (69.9 mm) | UCFS314-212 | 226 | 178 | 18 | 25 | 18 | 25 | 61 | 185 | 81 | 78 | 33 | M22 |
| 2-13/16 in (71.4 mm) | UCFS315-213 | 236 | 184 | 21 | 25 | 18 | 25 | 66 | 200 | 89 | 82 | 32 | M22 |
| 2-7/8 in (73 mm) | UCFS315-214 | 236 | 184 | 21 | 25 | 18 | 25 | 66 | 200 | 89 | 82 | 32 | M22 |
| 2-15/16 in (74.6 mm) | UCFS315-215 | 236 | 184 | 21 | 25 | 18 | 25 | 66 | 200 | 89 | 82 | 32 | M22 |
| 3 in (76.2 mm) | UCFS315-300 | 236 | 184 | 21 | 25 | 18 | 25 | 66 | 200 | 89 | 82 | 32 | M22 |
| 3-1/16 in (77.8 mm) | UCFS316-301 | 250 | 196 | 18 | 31 | 20 | 27 | 68 | 210 | 90 | 86 | 34 | M27 |
| 3-1/8 in (79.4 mm) | UCFS316-302 | 250 | 196 | 18 | 31 | 20 | 27 | 68 | 210 | 90 | 86 | 34 | M27 |
| 3-3/16 in (81 mm) | UCFS316-303 | 250 | 196 | 18 | 31 | 20 | 27 | 68 | 210 | 90 | 86 | 34 | M27 |
| 3-1/4 in (82.6 mm) | UCFS317-304 | 260 | 204 | 24 | 31 | 20 | 27 | 74 | 220 | 100 | 96 | 40 | M27 |
| 3-5/16 in (84.1 mm) | UCFS317-305 | 260 | 204 | 24 | 31 | 20 | 27 | 74 | 220 | 100 | 96 | 40 | M27 |
| 3-7/16 in (87.3 mm) | UCFS317-307 | 260 | 204 | 24 | 31 | 20 | 27 | 74 | 220 | 100 | 96 | 40 | M27 |
| 3-7/16 in (87.3 mm) | UCFS318-307 | 280 | 216 | 24 | 35 | 20 | 30 | 76 | 240 | 100 | 96 | 40 | M30 |
| 3-1/2 in (88.9 mm) | UCFS318-308 | 280 | 216 | 24 | 35 | 20 | 30 | 76 | 240 | 100 | 96 | 40 | M30 |
| 3-5/8 in (92.1 mm) | UCFS319-310 | 290 | 228 | 39 | 35 | 20 | 30 | 94 | 250 | 121 | 103 | 41 | M30 |
| 3-11/16 in (93.7 mm) | UCFS319-311 | 290 | 228 | 39 | 35 | 20 | 30 | 94 | 250 | 121 | 103 | 41 | M30 |
| 3-3/4 in (95.3 mm) | UCFS319-312 | 290 | 228 | 39 | 35 | 20 | 30 | 94 | 250 | 121 | 103 | 41 | M30 |
| 3-13/16 in (96.8 mm) | UCFS320-313 | 310 | 242 | 39 | 38 | 20 | 32 | 94 | 260 | 125 | 108 | 42 | M33 |
| 3-7/8 in (98.4 mm) | UCFS320-314 | 310 | 242 | 39 | 38 | 20 | 32 | 94 | 260 | 125 | 108 | 42 | M33 |
| 3-15/16 in (100 mm) | UCFS320-315 | 310 | 242 | 39 | 38 | 20 | 32 | 94 | 260 | 125 | 108 | 42 | M33 |
| 4 in (101.6 mm) | UCFS320-400 | 310 | 242 | 39 | 38 | 20 | 32 | 94 | 260 | 125 | 108 | 42 | M33 |
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 UCFS3 series?
UCFS3 units are available from 60mm – 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 UCFS3?
UCFS3 uses a cast iron housing with set screw locking, sourced from NTN, FAG, SKF, FYH, Asahi, DTC and SLS.
What is UCFS3 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 UCFS3 units?
Share your shaft size and quantity — our technical team will confirm availability and pricing within one business day.
