KRE-22-PPA bearing: complete specifications & equivalents

Specification table

Source: catalog reference (SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 15 support rollers / ch. 16 cam followers) · extracted 2026-09-30

Parameters extracted from the official SKF Rolling Bearings catalogue (SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 15 support rollers / ch. 16 cam followers); SKF® and SKF Explorer® are trademarks of AB SKF, used here for identification only — mpnbase is not an authorized SKF distributor. Boundary dimensions are ISO 15 interchangeable; current production values may differ, verify at skf.com.

Cross references & equivalents

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 KRE-22-PPA model number is decoded

the 22 mm outside diameter runs on the track while the 13 mm stud shank takes the pin or shaft; the 36 mm overall width spreads the Hertzian contact over the outer ring published ratings C 4.4 kN and C0 5 kN already include the bending-stress correction for the unsupported outer ring — the C/C0 ratio of 0.88 is typical for cam follower with eccentric collar executions fatigue load limit Pu 0.56 kN at 13 mm stud gives a specific load of 0.34 kN per mm; the limiting speed is 5,300 r/min the 36 mm width carries the load at 0.12 kN per mm of roller complement; section height 4.5 mm between stud and track surface determines the outer-ring bending stiffness mass 47 g over a 22x36 mm envelope works out to 0.059 g per mm² of projected area — a useful figure when sizing the drive inertia for medium-high-speed cam duty the 13 mm stud diameter falls in the small-size band, the most common choice for general-purpose cam followers and light conveyor transfer rollers the KRE designation adds an eccentric collar to the KR stud — rotating the collar shifts the 22 mm outer ring radially, letting the builder take up track clearance PPA denotes the crowned running surface: the 22 mm OD is ground to a large radius rather than straight, reducing edge loading on misaligned cam tracks typical applications include textile machine cam drives, agricultural equipment cam followers and packaging machine timing cams this size is commonly specified for textile machine cam drives and agricultural equipment cam followers, where the 22 mm track diameter and 13 mm stud fit standard cam and rail geometries in packaging machine timing cams the 22 mm outer ring provides the rolling contact while the threaded stud simplifies mounting; the 47 g mass is low enough for rapid indexing cycles the eccentric collar is a friction fit on the stud — do not hammer it; use the correct spanner to rotate it to the preload setting after adjusting the eccentric collar, re-torque the stud nut; the collar setting changes the stud engagement length

Typical equipment & failure modes

Selection pitfalls — read before you substitute

• the eccentric collar is a friction fit — excessive adjustment force can score the stud surface and create a stress concentration
• the eccentric collar is a friction fit on the stud — do not hammer it; use the correct spanner to rotate it to the preload setting
• do not use the eccentric collar to compensate for gross track misalignment; the adjustment range is typically only 0.5–1.0 mm