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| Parameter | SKFNUKRE 72 ACam follower (stud-type track roller) with eccentric collar, integral sealing and relubrication feature | INANUKRE7224 × 72 × 80 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | INA |
| Designation | NUKRE 72 A | NUKRE72 |
| Product family | Cam followers (Stud-type track rollers) | — |
| Detailed type | Cam follower (stud-type track roller) with eccentric collar, integral sealing and relubrication feature | Stud type track roller |
| Bore diameterd | — | 24 mm |
| Outside diameterD | 72 mm | 72 mm |
| WidthB | — | 80 mm |
| Basic dynamic load ratingC | 45.7 kN | 45.5 kN |
| Basic static load ratingC0 | 58.5 kN | 65 kN |
| Fatigue load limitPu | 7.1 kN | 8.9 kN |
| Limiting speednG | 2000 r/min | 2600 r/min |
| Mass≈m | 1.12 kg | 1.007 kg |
| Internal clearance | Between C2 and CN | — |
| Sealing | Seal on both sides | — |
| Cage | Without | — |
| Bearing material | Bearing steel | — |
| Lubricant | Grease | — |
| Dimensions | ||
| Functional outside diameter | 72.0 mm | — |
| Stud diameter | 28.0 mm | — |
| Length | 80.0 mm | — |
| Width, outer ring | 28.0 mm | — |
| Engineering — Associated products | ||
| Lubrication adapter | AP 14 | — |
| Engineering — Calculation data | ||
| Maximum dynamic radial loadsF r | max. 34.5 kN | — |
| Maximum static radial loadsF 0r | max. 50 kN | — |
| Engineering — Dimensions | ||
| Attachment diameterd | 28 mm | — |
| Total lengthB | 80 mm | — |
| Width outer ringC | 28 mm | — |
| Length shank on studB 1 | 49.5 mm | — |
| Distance lubrication hole to flange ringB 2 | 11 mm | — |
| Width locking collarB 3 | 22 mm | — |
| Distance face outer ring to face side washerC 1 | 1.3 mm | — |
| Outside diameter flange ringd 1 | 44 mm | — |
| Thread studG | M 24x1.5 | — |
| Length threadG 1 | 25 mm | — |
| Seat diameter for lubrication accessoriesM | 8 mm | — |
| Diameter of lubrication hole (shank)M 1 | 4 mm | — |
| Width across flatsSW | 14 mm | — |
| Eccentricityc | 1 mm | — |
| Chamfer dimensionr 1,2 | min. 1.1 mm | — |
| Engineering — Included products | ||
| Grease fitting | NIP A3x9.5 | — |
| Hexagonal nut | M 24x1.5 | — |
| Engineering — Mounting information | ||
| Recommended tightening torque | 220 N·m | — |
| Logistics | ||
| Product net weight | 1.12 kg | — |
| eClass code | 23-05-09-03 | — |
| UNSPSC code | 31171512 | — |
| Manufacturer Identity | ||
| Schaeffler Product Code | — | 400285 |
| Base Type | — | NUKRE72 |
| Gpsd Group | — | I03 |
| Product Line Id | — | 13 |
| X Life Marking | — | n.r. |
| Product identity | ||
| Official product category | Cam followers (Stud-type track rollers) | — |
| Official taxonomy path | /products/rolling-bearings/track-rollers/cam-followers | — |
| Structure group ID | BNT_004 | — |
| Available from SKF | Yes | — |
| Remanufacturable | No | — |
| Product Identity | ||
| Construction | — | Stud type track rollers NUKRE..-A, double row cylindrical roller bearings with particularly thick-walled outer ring, full complement cylindrical roller set and with a solid roller stud with fixing thread and a mounting aid, the outer ring is guided axially by the rolling elements, labyrinth seals on both sides,with eccentric collar |
| Short Description | — | Stud type track roller |
| Properties | ||
| Rolling elements | Cylindrical rollers | — |
| Number of rows | 2 | — |
| Outer ring profile | Crowned | — |
| Stud alignment | Centric stud with eccentric collar | — |
| Number of flanges, outer ring | 2 | — |
| Feature for tightening | Hexagonal recess | — |
| Radial internal clearance | Between C2 and CN | — |
| Tolerance class | Other | — |
| Material, bearing | Bearing steel | — |
| Coating | Without | — |
| Sealing type | Labyrinth | — |
| Relubrication feature | Centre of each stud end | — |
| Technical Data | ||
| Fit Diameter Of Roller Stud / Stud (D1) | — | 24 mm |
| Outside Diamater (D) | — | 72 mm |
| Total Width (B) | — | 80 mm |
| Basic Dynamic Load Rating, Radial (Cr W) | — | 45,500 N |
| Basic Static Load Rating, Radial (C0R W) | — | 65,000 N |
| Eccentricity (E) | — | 1 mm |
| Speed On Permanent Grease Lubrication (Nd G) | — | 2,600 1/min |
| Bolt/Stud Length Effectively (B2) | — | 49.5 mm |
| Width Of Flats (W) | — | 14 mm |
| Diameter Of Eccentric (De) | — | 28 mm |
| Width, Outer Ring (C) | — | 28 mm |
| Protrusion Outer Ring To Thrust Washer (C1) | — | 1.3 mm |
| Permissible Static Load, Radial (F0R Per) | — | 62,000 N |
| Thread Length (Ig) | — | 25 mm |
| Permissible Dynamic Load Outer Ring, Radial (Fr Per) | — | 31,500 N |
| Stop Diameter Of Thrust Washer (D2) | — | 44 mm |
| Maximum Witdh Of Thrust Washer (B1) | — | 30.6 mm |
| Tightening Torque Nut (Ma) | — | 220 Nm |
| Fatigue Load Limit, Radial (Cur W) | — | 8,900 N |
| Minimum Chamfer Dimension (Rmin) | — | 1.1 mm |
| Width, Eccentric (Be) | — | 22 mm |
Independent reference comparison based on the manufacturer data currently loaded. Always verify current limits, tolerances and suffix definitions with the official source before engineering selection.