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United States
13:53:21 GMT+0000 (Coordinated Universal Time)
KR52-PP-A
Stud type track roller
Stud type track rollers KR..-PP-A, single row needle roller bearings with particularly thick-walled outer ring, needle roller and cage assembly and 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
Preferred product
Frequently bought together
Main Dimensions & Performance Data
| D | 52 mm | Outside diameter |
| d1 | 20 mm | Fit diameter of roller stud / stud |
| B | 66 mm | Width of the roller stud |
| Cr w | 16.700 N | Basic dynamic load rating, radial |
| C0r w | 29.500 N | Basic static load rating, radial |
| Cur w | 3.850 N | Fatigue load limit, radial |
| nD G | 2.400 1/min | Speed on permanent grease lubrication |
| ≈m | 442 g | Weight |
Dimensions
| B1 | 25,6 mm | Maximum witdh of thrust washer |
| B2 | 40,5 mm | Bolt/stud length effectively |
| B3 | 9 mm | Distance to lubrication hole |
| C | 24 mm | Width, outer ring |
| C1 | 0,8 mm | Protrusion outer ring to thrust washer |
| rmin | 1 mm | Minimum chamfer dimension |
| d2 | 36,5 mm | Stop diameter of thrust washer |
| d3 | 4 mm | Diameter lubrication hole |
| G | M20X1,5 | Thread |
| IG | 21 mm | Thread length |
| W | 10 mm | Width of flats |
Additional information
NIPA2X7,5 | Drive-fit lubrication nipple | |
| MA | 120 Nm | Tightening torque nut |
Downloads:
Your current product variant
| Sealing | PP | Three-stage sealing by plastic axial plain washer on both sides |
| Outer Ring profile | IOP | Optimized INA-profile |
| Grease nipples | 2x | Drive-fit lubrication nipple unmounted 2x |
| Relubrication feature | KSP | Via head, stud and fit |
| Assembling aid head | I6 | Hexagon socket |
| Mounting aid stud | I6 | Hexagon socket |
Characteristics
