Cross-brand designation analysis
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Same-model Comparison
Explore products that share a base designation across loaded brands, with dimensional agreement and data gaps shown clearly.
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One base designation across loaded brands
Exact designations rank first. Dimensions, suffixes and other technical differences remain visible so the result is not mistaken for an interchangeability declaration.
Data incomplete
“UCP203” across 2 loaded brands
The base designation is shared, but too few brands have complete boundary dimensions. Use Custom Compare when you want to choose exact suffix variants yourself.
Technical comparison
Choose exact variants instead →Brand differences at a glance
| Parameter | FAGUCP20317 × 127 × 62 mm | KOYOUCP20317 × × 31 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | FAG | KOYO |
| Designation | UCP203 | UCP203 |
| Product family | — | Pillow block type / Set screw locking |
| Detailed type | Plummer block housing units | Ball bearing units |
| Bore diameterd | 17 mm | 17 mm |
| Outside diameterD | 127 mm | — |
| WidthB | 62 mm | 31 mm |
| HeightH | — | 30.2 mm |
| Basic dynamic load ratingC | — | 12.8 kN |
| Basic static load ratingC0 | — | 6.65 kN |
| Fatigue load limitPu | — | 0.302 kN |
| Mass≈m | 0.61 kg | — |
| Bearing material | GG — Grey cast iron | — |
| Additional information | ||
| Housing | P203 | — |
| Bearing designation | UC203 | — |
| Classification | ||
| Official Category Path | — | Ball bearing units - Pillow block type - Set screw locking |
| Official Classification 1 | — | Ball bearing units / Pillow block type / Set screw locking |
| Dimensions | ||
| Distance shaft axisH | 30.2 mm | — |
| Distance shaft axisH | 1.189 in | — |
| Width (base)A | 38 mm | — |
| Width (base)A | 1.496 in | — |
| Height (base)H1 | 14 mm | — |
| Height (base)H1 | 0.551 in | — |
| Distance of raceway to locking collarS1 | 18.3 mm | — |
| Distance of raceway to locking collarS1 | 0.72 in | — |
| Connection thread for lubricationQ | M6 | — |
| Main Dimensions & Performance Data | ||
| Length totalL | 127 mm | — |
| Length totalL | 5 in | — |
| Basic dynamic load rating, radialCr | 13,600 N | — |
| Basic dynamic load rating, radialCr | 3,057.554 lbf | — |
| Basic static load rating, radialC0r | 6,600 N | — |
| Basic static load rating, radialC0r | 1,483.813 lbf | — |
| Fatigue load limit, radialCur | 345 N | — |
| Fatigue load limit, radialCur | 77.563 lbf | — |
| Manufacturer Identity | ||
| Schaeffler Product Code | 401505 | — |
| Official Class Key | — | 100-010-010 |
| Base Type | UCP203 | — |
| Gpsd Group | S04 | — |
| Product Line Id | 72 | — |
| X Life Marking | n.r. | — |
| SAP material number | 0821621230000 | — |
| Base product | 2305160101 | — |
| Bearing X designation | UCP203-J7 | — |
| Mounting Manager ID | UCP203-J7 | — |
| Grease application ID | UCP203-J7 | — |
| Mounting dimensions | ||
| Distance fixing boreJ | 95 mm | — |
| Distance fixing boreJ | 3.74 in | — |
| Width (slot)N | 13 mm | — |
| Width (slot)N | 0.512 in | — |
| Length (slot)N1 | 19 mm | — |
| Length (slot)N1 | 0.748 in | — |
| Product characteristics | ||
| MaterialGG | Grey cast iron | — |
| Housing clearanceJ7 | Normal swivel torque | — |
| Product Identity | ||
| Construction | Plummer block housing units UCP, cast iron housing, with long base, radial insert ball bearing with grub screws in inner ring, RSR seals | — |
| Short Description | Plummer block housing unit | — |
| Technical Data | ||
| d | — | 17 mm |
| H | — | 30.2 mm |
| L | — | 127 mm |
| A | — | 38 mm |
| J | — | 95 mm |
| Width (B) | 62 mm | — |
| N | — | 13 mm |
| Outside Diameter (D) | 127 mm | — |
| N1 | — | 18 mm |
| Bore Diameter (D) | 17 mm | — |
| H1 | — | 16 mm |
| H2 | — | 60 mm |
| L1 | — | 36 mm |
| B | — | 31 mm |
| S | — | 12.7 mm |
| Bolt Size | — | M10 |
| Basic Load Ratings : Cr | — | 12.8 kN |
| Basic Load Ratings : C0R | — | 6.65 kN |
| Fatigue Load Limit : Cu | — | 0.302 kN |
| Factor : F0 | — | 13.2 |
| Nipple Size | — | 1/4-28UNF |
| Temperature range | ||
| Operating temperature min.Tmin | -20 °C | — |
| Operating temperature min.Tmin | -4 °F | — |
| Operating temperature max.Tmax | 120 °C | — |
| Operating temperature max.Tmax | 248 °F | — |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.