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| Parameter | SKFKRV 19Cam follower (stud-type track roller) with relubrication feature | INAKRV19-PP8 × 19 × 32 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | INA |
| Designation | KRV 19 | KRV19-PP |
| Product family | Cam followers (Stud-type track rollers) | — |
| Detailed type | Cam follower (stud-type track roller) with relubrication feature | Stud type track roller |
| Series | — | KRV19 |
| Bore diameterd | — | 8 mm |
| Outside diameterD | 19 mm | 19 mm |
| WidthB | — | 32 mm |
| Basic dynamic load ratingC | 5.01 kN | 5.4 kN |
| Basic static load ratingC0 | 7.8 kN | 8.1 kN |
| Fatigue load limitPu | 0.88 kN | 1.19 kN |
| Limiting speednG | 3800 r/min | 3100 r/min |
| Mass≈m | 0.032 kg | 0.028754 kg |
| Internal clearance | Between C2 and CN | — |
| Sealing | Seal on both sides | — |
| Cage | Without | — |
| Bearing material | Bearing steel | — |
| Lubricant | Grease | — |
| Dimensions | ||
| Functional outside diameter | 19.0 mm | — |
| Stud diameter | 8.0 mm | — |
| Length | 32.2 mm | — |
| Width, outer ring | 11.0 mm | — |
| Engineering — Calculation data | ||
| Maximum dynamic radial loadsF r | max. 4.9 kN | — |
| Maximum static radial loadsF 0r | max. 6.95 kN | — |
| Engineering — Dimensions | ||
| Attachment diameterd | 8 mm | — |
| Total lengthB | 32.2 mm | — |
| Width outer ringC | 11 mm | — |
| Length shank on studB 1 | 20 mm | — |
| Distance face outer ring to face side washerC 1 | 0.6 mm | — |
| Outside diameter flange ringd 1 | 13.9 mm | — |
| Thread studG | M8x1.25 | — |
| Length threadG 1 | 10 mm | — |
| Seat diameter for lubrication accessoriesM | 3 mm | — |
| Width across flatsSW | 4 mm | — |
| Engineering — Included products | ||
| Grease fitting | NIP C3.2x5.2 | — |
| Hexagonal nut | M 8x1.25 | — |
| Engineering — Mounting information | ||
| Recommended tightening torque | 8 N·m | — |
| Logistics | ||
| Product net weight | 0.032 kg | — |
| eClass code | 23-05-09-03 | — |
| UNSPSC code | 31171512 | — |
| Manufacturer Identity | ||
| Schaeffler Product Code | — | 399774 |
| Base Type | — | KRV19 |
| 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 KRV..-PP-A, single row needle roller bearings with particularly thick-walled outer ring, full complement needle roller set and with a solid roller stud with fixing thread and a mounting aid, axial guidance of outer ring is provided by the plastic axial plain washers, contact flange and contact washer, three-stage sealing by plastic axial plain washer on both sides, without eccentric collar |
| Short Description | — | Stud type track roller |
| Properties | ||
| Rolling elements | Needle rollers | — |
| Number of rows | 1 | — |
| Outer ring profile | Crowned | — |
| Stud alignment | Centric | — |
| 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 | Gap-type | — |
| Relubrication feature | Centre of stud head | — |
| Technical Data | ||
| Fit Diameter Of Roller Stud / Stud (D1) | — | 8 mm |
| Outside Diamater (D) | — | 19 mm |
| Total Width (B) | — | 32 mm |
| Basic Dynamic Load Rating, Radial (Cr W) | — | 5,400 N |
| Basic Static Load Rating, Radial (C0R W) | — | 8,100 N |
| Speed On Permanent Grease Lubrication (Nd G) | — | 3,100 1/min |
| Bolt/Stud Length Effectively (B2) | — | 20 mm |
| Width, Outer Ring (C) | — | 11 mm |
| Protrusion Outer Ring To Thrust Washer (C1) | — | 0.6 mm |
| Thread Length (Ig) | — | 10 mm |
| Stop Diameter Of Thrust Washer (D2) | — | 15 mm |
| Protrusion Lubrication Nipple (Protrusion L) | — | 1.5 mm |
| Tightening Torque Nut (Ma) | — | 8 Nm |
| Fatigue Load Limit, Radial (Cur W) | — | 1,190 N |
| Minimum Chamfer Dimension (Rmin) | — | 0.15 mm |
| Witdh Of Thrust Washer (B1) | — | 12.2 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.