{"product_id":"fb-57-sft-ringspann","title":"FB 57 SFT RINGSPANN","description":"Brand - RINGSPANN\n\u003cbr\u003ePart Number - FB 57 SFT RINGSPANN\n\u003cbr\u003eCategory - Complete Freewheels FB\n\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePrincipal Dimensions \u0026amp; Specifications (Metric): \u003c\/b\u003e\n\u003cbr\u003eStandard Bore Diameter (d) - 30 mm\n\u003cbr\u003eMaximum Bore Diameter (d) * - 32 mm\n\u003cbr\u003eOuter Diameter (D) - 100 mm\n\u003cbr\u003eDimension (F) - 0.5 mm\n\u003cbr\u003eThread (G) ** - M8\n\u003cbr\u003eDimension (H) - 12 mm\n\u003cbr\u003eDimension (L) - 65 mm\n\u003cbr\u003eDimension (T) - 88 mm\n\u003cbr\u003eNumber of Tapped Holes (Z) ** - 6\n\u003cbr\u003eWeight - 2.8 kg\n\u003cbr\u003eType - Type with RIDUVIT® for Extended Service Life with Coated Sprags (SFT Type)\n\u003cbr\u003eNominal Torque (M\u003csub\u003eN\u003c\/sub\u003e) - 630 Nm\n\u003cbr\u003eMaximum Speed of Inner Ring Freewheels\/ Overruns - 1400 RPM\n\u003cbr\u003eMaximum Speed of Outer Ring Freewheels\/ Overruns - 1750 RPM\n\n\u003cbr\u003e \u003cbr\u003e \u003cb\u003e Description of Suffix: \u003c\/b\u003e\n\u003cbr\u003e SFT - Type with RIDUVIT® for Extended Service Life with Coated Sprags (SFT Type)\n\n\u003cbr\u003e \u003cbr\u003e \u003cb\u003e Other salient points to be noted: \u003c\/b\u003e\n\u003cbr\u003e * Keyway according to DIN 6885\n\u003cbr\u003e ** Z = Number of tapped holes G on pitch circle T\n\n\u003cbr\u003e\u003cbr\u003e• The maximum transmissible torque is 2 times the specified nominal torque\n\u003cbr\u003e• Tolerance of keyway width JS10\n\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eFeatures: \u003c\/b\u003e\n\u003cbr\u003e• Type: sealed sprag freewheels with integrated ball bearings\n\u003cbr\u003e• Lubrication: supplied oil-filled and ready for installation\n\u003cbr\u003e• Eco Option: Available with biodegradable oil upon request\n\u003cbr\u003e• Variants: Standard model, three enhanced versions designed for extended service life and reliable performance in demanding applications\n\u003cbr\u003e• Nominal torque capacity up to 160,000 Nm\n\u003cbr\u003e• Bore sizes up to 300 mm\n\u003cbr\u003e• A wide selection of standardized bore diameters is available, ensuring short lead times and fast delivery\n\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eApplication as: \u003c\/b\u003e Backstop, Overrunning Clutch, Indexing Freewheel\n\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eApplication Example: \u003c\/b\u003e\n\u003cbr\u003e• Two Complete Freewheels FB 82 SFT are used as overrunning clutches in the drive of an edge trimming shear in a wide strip roll train\n\u003cbr\u003e• During edge trimming, the trimming rollers are powered by the shear’s drive, operating the freewheels in driving mode\n\u003cbr\u003e• When the next pair of rollers grips the sheet metal strip and pulls it at a higher speed, the inner rings of the freewheels overrun the slower shear drive\n\u003cbr\u003e• At this stage, the freewheels operate in freewheeling mode\n\u003cbr\u003e• The use of RIDUVIT® sprags significantly extends the service life of the freewheels\n\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eMounting: \u003c\/b\u003e\n\u003cbr\u003e• The customer attachment part is mounted on the external diameter (D)\n\u003cbr\u003e• The attachment is then bolted to the face\n\u003cbr\u003e• The shaft tolerance must conform to ISO h6 or j6\n\u003cbr\u003e• The pilot diameter (D) of the attachment part must have a tolerance of ISO H7 or J7\n\n\u003cbr\u003e \u003cbr\u003e \u003ci\u003e ♦ ♦ Images are for representation purposes only \u003c\/i\u003e","brand":"RINGSPANN","offers":[{"title":"GERMANY","offer_id":44064097697974,"sku":null,"price":100.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0575\/4847\/2502\/files\/RINGSPANN_Completer_Freewheels_FB_Z_Series_Img_0017c64f-9e03-419f-ab02-2f74db6b3992.png?v=1750315504","url":"https:\/\/store.santent.in\/products\/fb-57-sft-ringspann","provider":"SANTENT.IN","version":"1.0","type":"link"}