1. Osnovna definicija in strukturne značilnosti
Ležaji UCP (Vzglavni ležajiz vložkom) so vnaprej sestavljene enote, ki vsebujejo ležajni vložek, nameščen v podstavku iz litega železa ali stisnjenega jekla. Ključne značilnosti vključujejo:
• Sferična zunanja površina: Zunanji premer ležaja ima sferično zasnovo, ki omogoča samonastavitev ±3°.
• Predhodno zatesnjena konfiguracija: Standardna gumijasta tesnila (konfiguracija RS ali 2RS) zagotavljajo zaščito pred prahom in vodo stopnje IP54.
• Standardizirano ohišje: Skladno s standardom ISO 113:2015, kar zagotavlja zamenljivost razmika med montažnimi luknjami med različnimi blagovnimi znamkami.
2. Načela delovanja in mehanske lastnosti
2.1 Mehanizem za prenos obremenitve
Prenos obremenitve se zgodi preko kotalnih elementov (jeklenih kroglic) med notranjim in zunanjim obročem:
• Radialne obremenitve: Prenašajo se vzdolž polmera ležaja (predstavljajo ~70 % nosilnosti).
• Aksialne obremenitve: Zagotavljajo enosmerne aksialne sile (≈20 % radialne nosilnosti).
2.2 Tribološke lastnosti
• Ultra nizek koeficient kotalnega trenja: 0,001–0,003
• Največja hitrost: 3000 vrt/min z mazanjem z litijevo mastjo (2000-urna življenjska doba masti pri 70 °C).
3. Tipični scenariji uporabe
3.1 Kmetijska mehanizacija
• Kardanske gredi kombajna (delovna temperatura: od -30 °C do 80 °C)
• Polžasti reduktorji namakalnega sistema (zahtevajo protikorozijske premaze)
3.2 Živilskopredelovalna industrija
• Pogonske enote tekočega traku (različice iz nerjavečega jekla, skladne s FDA)
• Ročični mehanizmi v pakirnih strojih (prenesejo ciklične udarne obremenitve)
3.3 Rudarska oprema
• Vibracijska sita v drobilnikih (zahtevajo dodatna labirintna tesnila)
• Valjčki tračnega transporterja (posebne mazalne raztopine za prašna okolja)
4. Tehnične smernice za izbor
| Št. ležajne enote | Dimenzije (v palcih) ali (mm) | Uporabljeni vijak mm/in. | Št. ležaja | Teža (kg) | |||||
| d | h | a | e | b | s1 | ||||
| UCP204 | 20 | 33,3 | 127 | 95 | 38 | 13 | M10 | UC204 | 0,6/0,67 |
| UCP204-12 | 3/4 | 1-5/16 | 5 | 3-3/4 | 1-1/2 | 1/2 | 3/8 | UC204-12 | 0,61/0,68 |
| UCP205 | 25 | 36,5 | 140 | 105 | 38 | 13 | M10 | UC205 | 0,81 |
| UCP205-13 | 13/16 | 1-7/16 | 5-1/2 | 4-1/8 | 1-1/2 | 1/2 | 3/8 | UC205-13 | 0,81 |
| UCP205-14 | 7/8 | 1-7/16 | 5-1/2 | 4-1/8 | 1-1/2 | 1/2 | 3/8 | UC205-14 | 0,81 |
| UCP205-15 | 15/16 | 1-7/16 | 5-1/2 | 4-1/8 | 1-1/2 | 1/2 | 3/8 | UC205-15 | 0,81 |
| UCP205-16 | 1 | 1-7/16 | 5-1/2 | 4-1/8 | 1-1/2 | 1/2 | 3/8 | UC205-16 | 0,81 |
| UCP206 | 30 | 42,9 | 160 | 121 | 44 | 17 | M14 | UC206 | 1,23 |
| UCP206-17 | 1-1/16 | 1-11/16 | 6-19/64 | 4-3/4 | 1-47/64 | 43/64 | 1/2 | UC206-17 | 1,25 |
| UCP206-18 | 1-1/8 | 1-11/16 | 6-19/64 | 4-3/4 | 1-47/64 | 43/64 | 1/2 | UC206-18 | 1,25 |
| UCP206-19 | 1–3/16 | 1-11/16 | 6-19/64 | 4-3/4 | 1-47/64 | 43/64 | 1/2 | UC206-19 | 1,25 |
| UCP206-20 | 1-1/4 | 1-11/16 | 6-19/64 | 4-3/4 | 1-47/64 | 43/64 | 1/2 | UC206-20 | 1,25 |
| UCP207 | 35 | 47,6 | 167 | 127 | 48 | 17 | M14 | UC207 | 1,55 |
| UCP207-20 | 1-1/4 | 1-7/8 | 6.–9./16. | 5 | 1-7/8 | 43/64 | 1/2 | UC207-20 | 1,613 |
| UCP207-21 | 1-5/16 | 1-7/8 | 6.–9./16. | 5 | 1-7/8 | 43/64 | 1/2 | UC207-21 | 1,613 |
| UCP207-22 | 1-3/8 | 1-7/8 | 6.–9./16. | 5 | 1-7/8 | 43/64 | 1/2 | UC207-22 | 1,613 |
| UCP207-23 | 1-7/16 | 1-7/8 | 6.–9./16. | 5 | 1-7/8 | 43/64 | 1/2 | UC207-23 | 1,613 |
| UCP208 | 40 | 49,2 | 184 | 137 | 54 | 17 | M14 | UC208 | 1,87/1,98 |
| UCP208-24 | 1-1/2 | 1-15/16 | 7-1/4 | 5-13/32 | 2-1/8 | 43/64 | 1/2 | UC208-24 | 1,89/2 |
| UCP208-25 | 1-9/16 | 1-15/16 | 7-1/4 | 5-13/32 | 2-1/8 | 43/64 | 1/2 | UC208-25 | 1,89/2 |
| UCP209 | 45 | 54 | 190 | 146 | 54 | 17 | M14 | UC209 | 2,16/2,25 |
| UCP209-26 | 1-5/8 | 2-1/8 | 7-15/32 | 5-3/4 | 2-1/8 | 43/64 | 1/2 | UC209-26 | 2,17/2,26 |
| UCP209-27 | 1-11/16 | 2-1/8 | 7-15/32 | 5-3/4 | 2-1/8 | 43/64 | 1/2 | UC209-27 | 2,17/2,26 |
| UCP209-28 | 1-3/4 | 2-1/8 | 7-15/32 | 5-3/4 | 2-1/8 | 43/64 | 1/2 | UC209-28 | 2,17/2,26 |
| UCP210 | 50 | 57,2 | 206 | 159 | 60 | 20 | M16 | UC210 | 2,7 |
| UCP210-29 | 1-13/16 | 2-1/4 | 8-1/8 | 6-1/4 | 2-3/8 | 25/32 | 5/8 | UC210-29 | 2,7 |
| UCP210-30 | 1-7/8 | 2-1/4 | 8-1/8 | 6-1/4 | 2-3/8 | 25/32 | 5/8 | UC210-30 | 2,7 |
| UCP210-31 | 1-15/16 | 2-1/4 | 8-1/8 | 6-1/4 | 2-3/8 | 25/32 | 5/8 | UC210-31 | 2,7 |
| UCP210-32 | 2 | 2-1/4 | 8-1/8 | 6-1/4 | 2-3/8 | 25/32 | 5/8 | UC210-32 | 2,7 |
| UCP211 | 55 | 63,5 | 219 | 171 | 60 | 20 | M16 | UC211 | 3,3/3,46 |
| UCP211-32 | 2 | 2-1/2 | 8-5/8 | 6-47/64 | 2-3/8 | 25/32 | 5/8 | UC211-32 | 3,45/3,61 |
| UCP211-33 | 2-1/16 | 2-1/2 | 8-5/8 | 6-47/64 | 2-3/8 | 25/32 | 5/8 | UC211-33 | 3,45/3,61 |
| UCP211-34 | 2-1/8 | 2-1/2 | 8-5/8 | 6-47/64 | 2-3/8 | 25/32 | 5/8 | UC211-34 | 3,45/3,61 |
| UCP211-35 | 2–3/16 | 2-1/2 | 8-5/8 | 6-47/64 | 2-3/8 | 25/32 | 5/8 | UC211-35 | 3,45/3,61 |
| UCP212 | 60 | 69,8 | 241 | 184 | 70 | 20 | M16 | UC212 | 4,65/4,9 |
| UCP212-36 | 2-1/4 | 2-3/4 | 9-1/2 | 7-1/4 | 2-3/4 | 25/32 | 5/8 | UC212-36 | 4,65/4,9 |
| UCP212-37 | 2-5/16 | 2-3/4 | 9-1/2 | 7-1/4 | 2-3/4 | 25/32 | 5/8 | UC212-37 | 4,65/4,9 |
| UCP212-38 | 2-3/8 | 2-3/4 | 9-1/2 | 7-1/4 | 2-3/4 | 25/32 | 5/8 | UC212-38 | 4,65/4,9 |
| UCP212-39 | 2-7/16 | 2-3/4 | 9-1/2 | 7-1/4 | 2-3/4 | 25/32 | 5/8 | UC212-39 | 4,65/4,9 |
| UCP213 | 65 | 76,2 | 265 | 203 | 70 | 25 | M20 | UC213 | 5,66/5,97 |
| UCP213-40 | 2-1/2 | 3 | 10. 7. 2016 | 8 | 2-3/4 | 63/64 | 3/4 | UC213-40 | 5,72/6,03 |
| UCP213-41 | 2-9/16 | 3 | 10. 7. 2016 | 8 | 2-3/4 | 63/64 | 3/4 | UC213-41 | 5,72/6,03 |
| UCP214 | 70 | 79,4 | 266 | 210 | 72 | 25 | M20 | UC214 | 6.3 |
| UCP214-42 | 2-5/8 | 3-1/8 | 10-15/32 | 8-17/64 | 2-27/32 | 63/64 | 3/4 | UC214-42 | 6.3 |
| UCP214-43 | 2-11/16 | 3-1/8 | 10-15/32 | 8-17/64 | 2-27/32 | 63/64 | 3/4 | UC214-43 | 6.3 |
| UCP214-44 | 2-3/4 | 3-1/8 | 10-15/32 | 8-17/64 | 2-27/32 | 63/64 | 3/4 | UC214-44 | 6.3 |
| UCP215 | 75 | 82,6 | 275 | 217 | 74 | 25 | M20 | UC215 | 6,79 |
| UCP215-45 | 2-13/16 | 3-1/4 | 10-53/64 | 8-35/64 | 2-29/32 | 63/64 | 3/4 | UC215-45 | 6,79 |
| UCP215-46 | 2-7/8 | 3-1/4 | 10-53/64 | 8-35/64 | 2-29/32 | 63/64 | 3/4 | UC215-46 | 6,79 |
| UCP215-47 | 2-15/16 | 3-1/4 | 10-53/64 | 8-35/64 | 2-29/32 | 63/64 | 3/4 | UC215-47 | 6,79 |
| UCP215-48 | 3 | 3-1/4 | 10-53/64 | 8-35/64 | 2-29/32 | 63/64 | 3/4 | UC215-48 | 6,79 |
| UCP216 | 80 | 88,9 | 292 | 232 | 78 | 25 | M20 | UC216 | 8,48 |
| UCP216-49 | 3-1/16 | 3-1/2 | 11-1/2 | 9-1/8 | 3-1/16 | 63/64 | 3/4 | UC216-49 | 8,48 |
| UCP216-50 | 3-1/8 | 3-1/2 | 11-1/2 | 9-1/8 | 3-1/16 | 63/64 | 3/4 | UC216-50 | 8,48 |
| UCP216-51 | 3-3/16 | 3-1/2 | 11-1/2 | 9-1/8 | 3-1/16 | 63/64 | 3/4 | UC216-51 | 8,48 |
Čas objave: 10. avg. 2025





