{"product_id":"optibelt-10-pj-508-optibelt-rb-ribbed-belts","title":"10PJ508 Optibelt RB Ribbed Belt - 10 Ribs","description":"\u003cstyle\u003e\n  .tb-prod { --tb-navy: #373e71; --tb-orange: #c46e3a; --tb-ink: #22264a; --tb-muted: #5b6080; --tb-rule: #e3e4ea; color: var(--tb-ink); line-height: 1.6; }\n  .tb-prod, .tb-prod * { box-sizing: border-box; text-align: left !important; }\n  .tb-prod p { margin: 0 0 1em !important; }\n  .tb-prod h3 { color: var(--tb-navy); font-size: 1.05em; margin: 1.4em 0 0.5em !important; }\n  .tb-prod table { width: 100%; border-collapse: collapse; margin: 0 0 1em !important; font-size: 0.95em; }\n  .tb-prod th, .tb-prod td { padding: 0.5em 0.75em; border-bottom: 1px solid var(--tb-rule); }\n  .tb-prod th { width: 42%; color: var(--tb-navy); font-weight: 600; background: #f3f3f6; }\n  .tb-prod ul { margin: 0 0 1em !important; padding-left: 1.2em !important; }\n  .tb-prod li { margin: 0 0 0.35em !important; }\n  .tb-prod .tb-prod-note { border-left: 4px solid var(--tb-orange); background: #f3f3f6; border-radius: 8px; padding: 0.9em 1.1em; font-size: 0.95em; }\n  .tb-prod .tb-prod-note p { margin: 0 !important; }\n  .tb-prod a { color: var(--tb-navy); font-weight: 700; text-decoration-color: var(--tb-orange); text-underline-offset: 3px; }\n\u003c\/style\u003e \u003cdiv class=\"tb-prod\"\u003e\n\u003cp\u003eThe Optibelt RB 10PJ508 is a PJ-profile ribbed (Poly-V) belt with 10 ribs at a 2.34mm rib pitch, an effective length of 508mm (20.0″) and an overall width of about 23.4mm.\u003c\/p\u003e \u003cp\u003eOptibelt RB ribbed belts have V-shaped ribs made from a wear-resistant, fibre-reinforced rubber compound, with a high-strength tension cord bonded across the full width. They run quietly, resist oil and heat, and give a long service life. Optibelt is our premier brand.\u003c\/p\u003e \u003ch3\u003eSpecification\u003c\/h3\u003e\n\u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eOptibelt RB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProfile\u003c\/th\u003e\n\u003ctd\u003ePJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNumber of ribs\u003c\/th\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRib pitch\u003c\/th\u003e\n\u003ctd\u003e2.34mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEffective length\u003c\/th\u003e\n\u003ctd\u003e508mm (20.0″)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBelt width\u003c\/th\u003e\n\u003ctd\u003eabout 23.4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e \u003ch3\u003eCheck it’s the right belt\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eThe old belt should be marked 10PJ508 (or 10 PJ 508, or 10J508). 10 is the number of ribs, PJ the profile and 508 the effective length in mm.\u003c\/li\u003e \u003cli\u003eCount the ribs across the underside of the old belt: this one has 10. The second picture shows how to count them.\u003c\/li\u003e \u003cli\u003eCheck the rib pitch: PJ ribs are 2.34mm apart. A belt with the wrong profile won’t seat in the pulley grooves.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cdiv class=\"tb-prod-note\"\u003e\u003cp\u003e\u003cstrong\u003eNot quite the right size?\u003c\/strong\u003e The same length with 9 ribs is \u003ca href=\"\/products\/optibelt-9-pj-508-optibelt-rb-ribbed-belts\"\u003e9PJ508\u003c\/a\u003e, and the next 10-rib size up is \u003ca href=\"\/products\/10-pj-559-optibelt-rb-ribbed-belts-10-ribs-v-s\"\u003e10PJ559\u003c\/a\u003e. Not sure? Call \u003ca href=\"tel:+442081382848\"\u003e020 8138 2848\u003c\/a\u003e and we’ll help you find the right belt.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Optibelt","offers":[{"title":"Default Title","offer_id":57693591175541,"sku":"TB80002050","price":16.41,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2473\/6104\/files\/Optibelt_Ribbed_Belt_Larger.png?v=1791922202","url":"https:\/\/www.totallybelts.com\/products\/optibelt-10-pj-508-optibelt-rb-ribbed-belts","provider":"Totally Belts","version":"1.0","type":"link"}