Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications12 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Variant / construction | Cam followers (Stud-type track rollers) | |
| Outside diameter | D | 52 mm |
| Basic dynamic load rating | C | 21.2 kN |
| Basic static load rating | C0 | 48 kN |
| Fatigue load limit | Pu | 5.85 kN |
| Limiting speed | nG | 1800 r/min |
| Mass | ≈m | 0.52 kg |
| Internal clearance | Between C2 and CN | |
| Sealing | Seal on both sides | |
| Cage | Without | |
| Bearing material | Bearing steel | |
| Lubricant | Grease |
Dimensions4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Functional outside diameter | 52.0 mm | |
| Stud diameter | 20.0 mm | |
| Length | 66.1 mm | |
| Width, outer ring | 24.0 mm |
Product identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| 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 |
Engineering — Calculation data6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | C | 21.2 kN |
| Basic static load rating | C 0 | 48 kN |
| Fatigue load limit | P u | 5.85 kN |
| Maximum dynamic radial loads | F r | max. 42.5 kN |
| Maximum static radial loads | F 0r | max. 60 kN |
| Limiting speed | 1800 r/min |
Engineering — Dimensions13 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Outside diameter | D | 52 mm |
| Attachment diameter | d | 20 mm |
| Total length | B | 66.1 mm |
| Width outer ring | C | 24 mm |
| Length shank on stud | B 1 | 40.5 mm |
| Distance lubrication hole to flange ring | B 2 | 9 mm |
| Distance face outer ring to face side washer | C 1 | 0.8 mm |
| Outside diameter flange ring | d 1 | 36 mm |
| Thread stud | G | M20x1.5 |
| Length thread | G 1 | 21 mm |
| Seat diameter for lubrication accessories | M | 6 mm |
| Diameter of lubrication hole (shank) | M 1 | 4 mm |
| Width across flats | SW | 10 mm |
Engineering — Included products2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Grease fitting | NIP B2x8 | |
| Hexagonal nut | M 20x1.5 |
Engineering — Mounting information1 parameter
| Parameter | Symbol | Value |
|---|---|---|
| Recommended tightening torque | 120 N·m |
Logistics3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Product net weight | 0.52 kg | |
| eClass code | 23-05-09-03 | |
| UNSPSC code | 31171512 |
Performance3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | 21.2 kN | |
| Basic static load rating | 48.0 kN | |
| Limiting speed | 1800.0 r/min |
Properties15 parameters
| Parameter | Symbol | Value |
|---|---|---|
| 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 | |
| Cage | Without | |
| Radial internal clearance | Between C2 and CN | |
| Tolerance class | Other | |
| Material, bearing | Bearing steel | |
| Coating | Without | |
| Sealing | Seal on both sides | |
| Sealing type | Contact | |
| Lubricant | Grease | |
| Relubrication feature | Centre of each stud end and radial hole in stud shank |