C39-560-KM-OH39-560-HE bearing: complete specifications & equivalents
The C39-560-KM-OH39-560-HE is a ISO 15 radial bearing sized 530 x 750 x 140 mm (bore x OD x width). Verify dimensions against the official catalog before ordering.
Specification table
| Parameter | Value |
|---|---|
| Brand | SKF |
| Bore diameter d | 530 mm |
| Outer diameter D | 750 mm |
| Width B | 140 mm |
| Material | GCr15 |
| Seal / shield | open |
| Internal clearance | CN |
| Tolerance class | P0 |
| Cage | brass |
| Basic dynamic load rating C | 3600 kN |
| Basic static load rating C0 | 7350 kN |
| Fatigue load limit Pu | 490 kN |
| Reference speed (thermal) | 600 rpm |
| Limiting speed (mechanical) | 850 rpm |
| Operating temperature | -40 to +120 °C |
| Mass | 260000 g |
| Manufacturer designation | SKF C 39/560 KM + OH 39/560 HE |
| Standard | ISO 15 |
| Catalog version | SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 10.2-10.3 CARB on sleeves |
| Last verified | 2026-09-29 |
Source: catalog reference (SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 10.2-10.3 CARB on sleeves) · extracted 2026-09-29
Parameters extracted from the official SKF Rolling Bearings catalogue (SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 10.2-10.3 CARB on sleeves); 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 & carb-adapter-sleeve range
| Bore d | 20.866 in |
|---|---|
| Outer diameter D | 29.528 in |
| Width B | 5.512 in |
| ISO bore code | — |
| Radial section height (D−d)/2 | 110 mm |
| Smallest bore in carb-adapter-sleeve | 25 mm |
| Largest outer diameter in carb-adapter-sleeve | 1580 mm |
| Width range across carb-adapter-sleeve | 20–462 mm |
| Bore position in carb-adapter-sleeve (smallest first) | 41 of 51 |
| Bore above smallest carb-adapter-sleeve size | 505 mm |
Cross references & equivalents
| Equivalent model | Brand | Match level | Note |
|---|---|---|---|
| C39 | ISO 15 | full Dimensions and internal design equivalent — standard interchange. | ISO 15 boundary-dimension envelope; brand-specific OEM equivalents (NSK/FAG/NTN) 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 C39-560-KM-OH39-560-HE model number is decoded
Selection arithmetic: the unit carries the ratings of its bearing — C 3600 kN, C0 7350 kN, Pu 490 kN from the CARB table — because the sleeve adds no capacity, only the mounting interface on the 530 mm shaft. The locknut torque of OH 39/560 HE sets the sleeve travel; use the SKF procedure (measure clearance reduction, not torque feel) — over-driving the sleeve preloads the 560 mm CARB bearing and overheats the unit within hours. The unit's temp range follows the bearing: -40 to +120 °C continuous for the standard execution; cage and sleeve execution letters on C 39/560 KM and OH 39/560 HE must be checked against the application temperature before substitution.In SKF catalogue PUB BU/P1 17000, C39-560-KM-OH39-560-HE appears as bearing C 39/560 KM + withdrawal sleeve OH 39/560 HE: the non-locating CARB principle combined with a tapered-bore sleeve seat for a 530 mm shaft.Numbering logic: the bearing half C 39/560 KM follows the CARB works numbering (type C, dimension series, 560 mm bore), while OH 39/560 HE identifies the sleeve execution for that bore; the combo C39-560-KM-OH39-560-HE exists in the catalogue so that shaft (530 mm), housing (750 mm) and both components are specified with one order number. What the H execution changes: an adapter sleeve clamps the 560 mm tapered bore onto a plain 530 mm shaft, so the housing-side location work happens at the sleeve locknut — no machined shaft shoulder is needed at the bearing seat.
Typical equipment & failure modes
Common applications
- paper machine drying cylinders and calender rolls with long, thermally expanding shafts
- continuous-caster guide rolls and slab-caster segments under heat growth
- vibrating screen exciters fitted with the VE240 tolerance execution
- paper machine drying cylinders and calender rolls with long, thermally expanding shafts
Known failure patterns
- overheating from a preload set at mounting when sleeve travel overshot the catalogue clearance
- misalignment edge loading when the housing bore is out of square with the shaft seat
- misalignment edge loading when the housing bore is out of square with the shaft seat
- misalignment edge loading when the housing bore is out of square with the shaft seat
- fretting corrosion at the shaft-sleeve interface under vibration with an undersized seat
Selection pitfalls — read before you substitute
- Sleeve and bearing are a matched taper pair: never fit sleeve OH 39/560 HE onto a different CARB bearing of the same bore size without verifying the execution letters — seat length and taper contact differ.
- Keep the pair complete in stores: storing bearing C 39/560 KM and sleeve OH 39/560 HE on different shelves is how taper-mismatch accidents start — store the unit as received under one part number.
- Sleeve and bearing are a matched taper pair: never fit sleeve OH 39/560 HE onto a different CARB bearing of the same bore size without verifying the execution letters — seat length and taper contact differ.
- The 3600/7350 kN ratings are SKF catalogue 17000 values for the CARB bearing; SKF can revise internal geometry without changing the order number, so keep the catalogue version (PUB BU/P1 17000/1 EN, 2018) with the specification.
- Quote the full unit designation SKF C 39/560 KM + OH 39/560 HE when purchasing — bearing and sleeve execution letters are part of the order number and define the matched taper pair.
Frequently asked questions
What are the dimensions and catalogue data of C39-560-KM-OH39-560-HE?
The unit is CARB bearing C 39/560 KM on withdrawal sleeve OH 39/560 HE, fitting a 530 mm shaft (20.866 in), housing bore 750 mm, bearing width 140 mm. From SKF catalogue PUB BU/P1 17000: basic dynamic load rating C 3600 kN, C0 7350 kN, fatigue load limit Pu 490 kN, combined mass about 260.0 kg. Reference speed 600 r/min, limiting speed 850 r/min (bearing values).
Why does C39-560-KM-OH39-560-HE list a 530 mm shaft size when the bearing bore is 560 mm?
The sleeve takes up the difference: the withdrawal sleeve OH 39/560 HE has a tapered outside that engages the bearing's 560 mm tapered bore and a cylindrical bore that seats on the 530 mm shaft. The catalogue's principal dimensions describe the mounted result — shaft seat, housing bore and bearing width — not the bearing bore alone.
Is C39-560-KM-OH39-560-HE a locating or non-locating bearing?
Non-locating. The CARB toroidal roller bearing is designed as the free end of the shaft: its raceway geometry tolerates misalignment and allows axial float, while a separate locating bearing (typically a spherical roller or paired taper) takes the thrust. The sleeve does not change this function.
Can I buy the bearing C 39/560 KM and the sleeve OH 39/560 HE separately?
The components are catalogued separately, but the taper pair is matched — the sleeve seat and the bearing bore are manufactured to the same execution. Ordering the unit C39-560-KM-OH39-560-HE as one catalogue line keeps bearing and sleeve compatible; if ordering separately, quote both full designations including execution letters.
How is the clearance of C39-560-KM-OH39-560-HE set at mounting?
By driving the adapter sleeve up its conical seat: the sleeve expands on the 530 mm shaft and onto the bearing bore, reducing the radial internal clearance. Mount in steps and measure residual clearance until it reaches the catalogue value for the K bore — never set it by nut torque alone.
Reviewed & verified by the MPN Base engineering desk against source catalog SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 10.2-10.3 CARB on sleeves on 2026-09-29. Read our editorial & correction policy.