AXK85110 bearing: complete specifications & equivalents
The AXK85110 is a ISO 3031 radial bearing sized 85 x 110 x 4 mm (bore x OD x width). Verify dimensions against the official catalog before ordering.
Specification table
| Parameter | Value |
|---|---|
| Brand | SKF |
| Bore diameter d | 85 mm |
| Outer diameter D | 110 mm |
| Width B | 4 mm |
| Material | GCr15 |
| Seal / shield | open |
| Internal clearance | CN |
| Tolerance class | P0 |
| Cage | steel |
| Basic dynamic load rating C | 52 kN |
| Basic static load rating C0 | 290 kN |
| Fatigue load limit Pu | 35.5 kN |
| Reference speed (thermal) | 1700 rpm |
| Limiting speed (mechanical) | 3400 rpm |
| Operating temperature | -40 to +120 °C |
| Mass | 67 g |
| Manufacturer designation | AXK 85110 |
| Standard | ISO 3031 |
| Catalog version | SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 12.1 needle roller and cage thrust assemblies |
| Last verified | 2026-09-27 |
Source: catalog reference (SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 12.1 needle roller and cage thrust assemblies) · extracted 2026-09-27
Parameters extracted from the official SKF Rolling Bearings catalogue (SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 12.1 needle roller and cage thrust assemblies); 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.
Dimensions in inches & AXK-series range
| Bore d | 3.346 in |
|---|---|
| Outer diameter D | 4.331 in |
| Width B | 0.157 in |
| ISO bore code | 10 |
| Radial section height (D−d)/2 | 12.5 mm |
| Smallest bore in AXK-series | 4 mm |
| Largest outer diameter in AXK-series | 200 mm |
| Width range across AXK-series | 2–5 mm |
| Bore position in AXK-series (smallest first) | 22 of 30 |
| Bore above smallest AXK-series size | 81 mm |
Cross references & equivalents
No verified interchange data yet. Send an inquiry and our team will confirm equivalents manually.
How the AXK85110 model number is decoded
For transmission gears that would otherwise rub on a housing wall, AXK 85110 supplies a complete needle thrust track between 89 and 108 mm raceway diameters in a 4 mm envelope. Reading the code: AXK marks the needle thrust assembly and the figures 85/110 give the two raceway diameters in millimetres — 85 mm inner track and 110 mm outer track; TN swaps the stamped steel cage for PA66. At this size the stamped steel cage guides long thrust needles; the TN polymer-cage variant is offered where noise matters. One-direction thrust only. One direction only: AXK 85110 cannot be reversed to take opposite thrust — mirror a second bearing for reversing shafts, and keep housing and shaft seats square within the ISO 104 tolerances. Mounting: harden and grind both mating faces to 58–64 HRC over the full Ea 89–Eb 108 mm band (or fit AS/LS washers), drop the 4 mm cage in flat, and never press or hammer the needle complement.
Typical equipment & failure modes
Common applications
- compact drives where hardened washers replace a machined raceway shoulder
- automotive manual and automatic transmission thrust positions
- torque converter and clutch release assemblies in passenger cars
- small gearbox gears that need a 2 mm thrust shim between a shaft and face
Known failure patterns
- instant raceway scoring when the assembly runs against a face below 58 HRC or with a rough finish
- cage wear from rollers being dragged through unloaded zones under fluctuating thrust
- grease churning and overheating when a high-speed thrust position is over-packed
- rolling-contact fatigue spalling after the catalogue L10 life is exhausted
- edge loading across the needle crowns when the mating faces are not square to the shaft
Selection pitfalls — read before you substitute
- At 85 mm track diameter, face hardness decides everything: a ground-but-soft washer looks correct yet ribbons within months; specify 58–64 HRC on the drawing.
- The 52 kN rating is real only at 58–64 HRC face hardness; visual inspection cannot tell a 45 HRC washer from a 60 HRC one — order certified washers.
- Do not expect misalignment tolerance: a 4 mm rigid needle set edge-loads if the faces tilt even a fraction of a degree — use a spherical or AXW solution where the seat cannot be kept parallel.
- TN polymer and stamped steel cages of the same code (AXK 85110) share envelopes and ratings; the choice is temperature and noise, not load.
- The AXK code supplies no washers: AXK 85110 arrives as the needle cage only, and a "bearing failure" on hard-faced tracks is usually a missing-AS-washer failure at ordering time.
- The 52/290 kN ratings and 67 g mass are SKF catalogue values transcribed from ch. 12.1 of PUB BU/P1 17000 (PDF table page 908); mounting data — Ea/Eb raceway diameters and the minimum load factor A — appears in the running text because the structured record carries the boundary envelope only.
Frequently asked questions
Which dimensions does the AXK 85110 have?
A AXK 85110 measures 85 mm bore × 110 mm outside diameter × 4 mm width (3.346 × 4.331 × 0.157 in). From SKF catalogue PUB BU/P1 17000: dynamic C 52 kN, static C0 290 kN, fatigue limit Pu 35.5 kN, reference speed 1,700 r/min, limiting speed 3,400 r/min, mass about 67 g. The contact band runs Ea 89–Eb 108 mm; hardened washers or 58–64 HRC faces are required.
What does AXK 85/110 mean?
A needle roller and cage thrust assembly (ISO 3031) for a 85 mm inner track and 110 mm outer track, 4 mm thick; one-direction axial load, washers ordered separately.
What is the difference between AXK and AXW?
AXW pairs the AXK needle set with a washer carrying an integral centring spigot that locates in a housing register, keeping cage and washer concentric as one part; AXK is the bare cage-and-needle set needing two separate washers. The AXW still needs a separate LS/AS washer or hardened face on the opposite side.
Does the AXK 85110 tolerate misalignment?
No — the 4 mm rigid needle set edge-loads on tilted faces. Keep the shaft and housing faces parallel, or choose the self-aligning roller thrust families.
Reviewed & verified by the MPN Base engineering desk against source catalog SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 12.1 needle roller and cage thrust assemblies on 2026-09-27. Read our editorial & correction policy.