KRE26-PP bearing: complete specifications & equivalents
The KRE26-PP is a ISO 7063 radial bearing sized 10 x 26 x 36 mm (bore x OD x width) with 2RS sealing. Verify dimensions against the official catalog before ordering.
Specification table
| Parameter | Value |
|---|---|
| Brand | FAG |
| Bore diameter d | 10 mm |
| Outer diameter D | 26 mm |
| Width B | 36 mm |
| Material | GCr15 |
| Seal / shield | 2RS |
| Internal clearance | CN |
| Tolerance class | P0 |
| Cage | steel |
| Basic dynamic load rating C | 5.1 kN |
| Basic static load rating C0 | 6.5 kN |
| Fatigue load limit Pu | 0.86 kN |
| Limiting speed (mechanical) | 8000 rpm |
| Operating temperature | -40 to +120 °C |
| Mass | 62 g |
| Manufacturer designation | KRE26-PP |
| Standard | ISO 7063 |
| Catalog version | HR1 2026-09-25 |
| Last verified | 2026-09-30 |
Source: catalog reference (HR1 2026-09-25) · extracted 2026-09-30
Parameters extracted from the official FAG Rolling Bearings catalogue (HR1 2026-09-25); FAG® is a trademark of Schaeffler Technologies AG & Co. KG, used here for identification only — mpnbase is not an authorized FAG/Schaeffler distributor. Boundary dimensions are ISO 15 interchangeable; current production values may differ, verify at schaeffler.com.
Dimensions in inches & kre-series range
| Bore d | 0.394 in |
|---|---|
| Outer diameter D | 1.024 in |
| Width B | 1.417 in |
| ISO bore code | — |
| Radial section height (D−d)/2 | 8 mm |
| Smallest bore in kre-series | 6 mm |
| Largest outer diameter in kre-series | 90 mm |
| Width range across kre-series | 28–100 mm |
| Bore position in kre-series (smallest first) | 3 of 9 |
| Bore above smallest kre-series size | 4 mm |
Cross references & equivalents
| Equivalent model | Brand | Match level | Note |
|---|---|---|---|
| KRE26 | ISO 15 | verify Commonly quoted cross reference; confirm against the target catalog before ordering. | ISO 15 boundary-dimension envelope; seal suffix convention varies by brand (2RS / DDU / LLU / 2RSR) — verify seal design and temperature range. Brand-specific OEM equivalents pending multi-source data. |
Interchange levels: full standard interchange · partial verify parameters · verify manual confirmation required. Links resolve to the equivalent model's specification page where available.
How the KRE26-PP model number is decoded
envelope 10×26×36 mm: the 26 mm outside diameter is the track-running surface — a thick-walled outer ring over a 10 mm stud — and the 36 mm overall stud-and-roller length sets the required bracket clearance the catalogue lists C 5.1 kN and C0 6.5 kN for the KRE stud-type cam follower with eccentric locking collar; the C/C0 ratio of 0.78 reflects a rolling-element pack sized for heavy static track loading, and the 8.0 mm radial section gives the outer ring its bending stiffness fatigue load limit Cur is 0.86 kN at 10 mm stud, equivalent to 0.51 kN of dynamic rating per millimetre — the limiting speed is 8,000 r/min and, as for HR1 track rollers, no thermal reference speed is published the 10 mm threaded stud clamps directly into the machine bracket; over the roller running width the dynamic rating works out to 0.14 kN per millimetre of rolling-element complement within the 36 mm overall stud length mass is 62 g, or 0.07 g per mm² of the 26×36 mm track envelope — inertia that the drive must accelerate on every index of the cam at 10 mm stud shank this is one of the smallest HR1 executions — chosen where a 26 mm envelope must carry line-contact loads that no miniature ball bearing could take KR is the stud-type cam follower with a needle roller and cage assembly: the 10 mm threaded stud bolts into the bracket and the 26 mm crowned outer ring follows the cam Reading KR/KRV/KRE: stud-type needle cam followers with PP lip seals on both sides and a 36 mm overall stud length The PP seals make this a maintenance-free unit: the 5.1 kN C rating is slightly below the open execution because the seal recesses shorten the effective roller complement. Typical applications include robotic arm linear axes, agricultural and textile cam followers and conveyor transfer and diverting stations, where the 26 mm track diameter and 5.1 kN dynamic rating match the duty. In robotic arm linear axes the threaded stud bolts directly to the frame, and in agricultural and textile cam followers the 62 g mass keeps follower kinetics light. Designers also specify it for conveyor transfer and diverting stations, relying on the 36 mm stud length and the published 6.5 kN static rating. The stud must be fully supported and the nut torqued to the catalogue value; a loose follower wears the bracket hole oval and loosens further. The eccentric collar throw is small (typically around 1 mm); it removes clearance, it cannot repair a grossly misplaced bracket.
Typical equipment & failure modes
Common applications
- packaging machine timing mechanisms
- glass and ceramic line conveyors
- agricultural and textile cam followers
- robotic arm linear axes
Known failure patterns
- stud bending and loosening when the shank is not fully supported by the bracket
- bracket hole fretting and ovalisation under an under-torqued mounting nut
- outer-ring fatigue at the cam contact from overloading beyond the track-rated C0
- flat spots on full-complement followers during short-stroke oscillation
- seal destruction and grease loss above the limiting speed on PP/2RS executions
- edge loading after the crowned profile bottoms out against a badly skewed cam
- eccentric-collar slippage when the lock nut is not re-torqued after adjustment
- lubricant starvation of the stud contact when the relubrication interval is ignored
- stud-thread damage from hammering or from using the hex socket as a press point
Selection pitfalls — read before you substitute
- The stud must be fully supported and the nut torqued to the catalogue value; a loose follower wears the bracket hole oval and loosens further.
- The eccentric collar throw is small (typically around 1 mm); it removes clearance, it cannot repair a grossly misplaced bracket.
- Never hammer the stud or use the hex socket as a press point during mounting; thread or socket damage renders the 36 mm stud unusable.
Frequently asked questions
What are the dimensions of the KRE26-PP?
The KRE26-PP is a KRE stud-type cam follower with eccentric locking collar with 26 mm outside diameter, 10 mm stud diameter and 36 mm overall length, envelope 10×26×36 mm. Mass is 62 g.
What does the KRE26-PP designation mean in the FAG/INA HR1 catalogue?
KRE26-PP identifies this KRE stud-type cam follower with eccentric locking collar in the Schaeffler HR1 rolling bearings catalogue. The envelope is 10×26×36 mm and the catalogue ratings are C 5.1 kN, C0 6.5 kN, Cur 0.86 kN.
What is the load capacity of the KRE26-PP?
The basic dynamic load rating C is 5.1 kN and the basic static load rating C0 is 6.5 kN; the fatigue load limit Cur is 0.86 kN. For track rollers these values already cover the thick-walled outer ring bending case on an unsupported track.
What is the maximum speed of the KRE26-PP?
HR1 lists a limiting speed of 8,000 r/min for track rollers and no thermal reference speed. The crowned thick-walled outer ring and (on stud types) the stud contact make the limiting speed the governing figure.
How is a stud-type roller like the KRE26-PP fitted and adjusted?
The 10 mm threaded stud passes through the bracket and is clamped with its nut and washer against a flat face; torque to the catalogue value and support the shank over its full length. The eccentric locking collar is turned to set the track preload, then the nut is re-torqued. The 26 mm outer ring then runs directly on the cam.
Reviewed & verified by the MPN Base engineering desk against source catalog HR1 2026-09-25 on 2026-09-30. Read our editorial & correction policy.