C2211-KV bearing: complete specifications & equivalents
The C2211-KV is a ISO 15 radial bearing sized 55 x 100 x 25 mm (bore x OD x width). Verify dimensions against the official catalog before ordering.
Specification table
| Parameter | Value |
|---|---|
| Brand | SKF |
| Bore diameter d | 55 mm |
| Outer diameter D | 100 mm |
| Width B | 25 mm |
| Material | GCr15 |
| Seal / shield | open |
| Internal clearance | CN |
| Tolerance class | P0 |
| Cage | none |
| Basic dynamic load rating C | 132 kN |
| Basic static load rating C0 | 134 kN |
| Fatigue load limit Pu | 15.6 kN |
| Limiting speed (mechanical) | 3400 rpm |
| Operating temperature | -40 to +120 °C |
| Mass | 820 g |
| Manufacturer designation | C 2211 KV |
| Standard | ISO 15 |
| Catalog version | SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 10.1 CARB toroidal roller bearings |
| Last verified | 2026-09-27 |
Source: catalog reference (SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 10.1 CARB toroidal roller bearings) · extracted 2026-09-27
Parameters extracted from the official SKF Rolling Bearings catalogue (SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 10.1 CARB toroidal roller bearings); 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 & C2200-series range
| Bore d | 2.165 in |
|---|---|
| Outer diameter D | 3.937 in |
| Width B | 0.984 in |
| ISO bore code | 11 |
| Radial section height (D−d)/2 | 22.5 mm |
| Smallest bore in C2200-series | 30 mm |
| Largest outer diameter in C2200-series | 400 mm |
| Width range across C2200-series | 20–108 mm |
| Bore position in C2200-series (smallest first) | 6 of 21 |
| Bore above smallest C2200-series size | 25 mm |
Cross references & equivalents
| Equivalent model | Brand | Match level | Note |
|---|---|---|---|
| C2211-TN9 | SKF | partial Main dimensions match; tolerances, seals or internal clearance differ. | Same 55×100×25 mm envelope, but catalogue C/C0 differ between the 1:12 tapered-bore K full-complement V and cylindrical-bore TN9 PA66-caged executions (132/134 kN vs 116/114 kN) — envelope match, not a load-rating equivalent. |
| C2211-KTN9 | SKF | partial Main dimensions match; tolerances, seals or internal clearance differ. | Same 55×100×25 mm envelope, but catalogue C/C0 differ between the 1:12 tapered-bore K full-complement V and 1:12 tapered-bore K TN9 PA66-caged executions (132/134 kN vs 116/114 kN) — envelope match, not a load-rating equivalent. |
| C2211-V | SKF | full Dimensions and internal design equivalent — standard interchange. | Same 55×100×25 mm ISO 15 envelope and equivalent catalogue C/C0; C 2211 V is the cylindrical-bore full-complement V execution of this size — boundary dimensions interchangeable, only mounting and cage execution differ. |
| 22211 | SKF | full Dimensions and internal design equivalent — standard interchange. | Envelope-identical (55×100×25 mm) SKF spherical roller bearing SKF 22211 E with ratings within 10 % — not a drop-in substitute: SKF 22211 E locates the shaft axially while the CARB bearing must float; the two are designed to run as a locating/non-locating pair. |
| 22211-EK | SKF | full Dimensions and internal design equivalent — standard interchange. | Envelope-identical (55×100×25 mm) SKF spherical roller bearing SKF 22211 EK with ratings within 10 % — not a drop-in substitute: SKF 22211 EK locates the shaft axially while the CARB bearing must float; the two are designed to run as a locating/non-locating pair. |
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 C2211-KV model number is decoded
For long shafts that grow thermally, SKF supplies C 2211 KV: the toroidal rollers allow the 55 mm inner ring to displace axially without induced thrust, while still accommodating shaft deflection like a spherical bearing. SKF builds the CARB order number from size plus execution: the bare number C 2211 is the full-complement cylindrical-bore bearing, K (or K30) makes the bore tapered for sleeve mounting, and the cage/seal letters follow — here KV. CARB bearings locate neither radially nor axially: the inner ring can walk axially inside the outer ring over the catalogue-listed axial-displacement range (s), so shaft thermal growth disappears as thrust rather than preloading the 55 mm seat. Pairing rule: use the CARB bearing opposite one locating spherical or tapered bearing — never at both shaft ends — and check the locating bearing takes 100 % of the thrust, since C 2211 KV deliberately carries none. After fitting, confirm the inner ring can be pushed axially by hand through the catalogue displacement range; a ring that will not slide means the position is locked and will preload in service.
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
- long fan and kiln main shafts where the free end must float without thrust load
Known failure patterns
- roller-end and flange smearing after lubricant starvation at the long roller contacts
- roller skew and cage damage after the bearing is clamped solid between shaft and housing shoulders
- PA66 cage (TN9) softening when the sustained temperature passes the polymer limit
- brinelling of washer raceways from impact or mounting force applied through the rolling elements
- grease churning and overheating when a high-speed thrust position is over-packed
Selection pitfalls — read before you substitute
- At 55 mm bore the small CARB executions are unusually wide (25 mm) for their 100 mm OD — confirm the housing width before substituting a standard spherical bearing of the same bore.
- Tapered-bore K executions mount on adapter sleeves (1:12) and K30 on withdrawal sleeves (1:30) — the 55 mm bore changes the sleeve family, and the drive-up procedure differs accordingly.
- Reference and limiting speeds are different limits: the catalogue lists no thermal reference speed for this full-complement/sealed execution, the limiting value is the mechanical ceiling; observe the reference under load unless the arrangement calculation says otherwise.
- The quoted 132/134 kN ratings belong to this exact execution (C 2211 KV); VE240 vibrating-screen variants and sealed 2CS/2NS variants have their own figures even at the same envelope.
- Never use C 2211 KV as the locating bearing: it carries no axial load by design — the arrangement needs a separate locating spherical, tapered or angular bearing facing the thrust.
- The 132/134 kN ratings and 820 g mass are SKF catalogue values transcribed from ch. 10.1 of PUB BU/P1 17000 (PDF table page 858); mounting data — axial displacement (s) and seating details — appears in the running text because the structured record carries the boundary envelope only.
Frequently asked questions
Which dimensions does the C 2211 KV have?
A C 2211 KV measures 55 mm bore × 100 mm outside diameter × 25 mm width (2.165 × 3.937 × 0.984 in). From SKF catalogue PUB BU/P1 17000: dynamic C 132 kN, static C0 134 kN, fatigue limit Pu 15.6 kN, limiting speed 3,400 r/min, no reference speed listed, mass about 820 g.
What does C 2211 KV mean in SKF part numbering?
C marks CARB; 22 the dimension series; the size code gives 55 mm bore; KV is the execution (tapered 1:12 bore for adapter (H) sleeve mounting, full-complement V execution (no cage)). The envelope follows ISO 15 and matches spherical roller bearing outlines, but the functions differ.
Why is C 2211 KV used opposite a spherical roller bearing?
The spherical bearing locates the shaft and takes thrust; the CARB bearing at the other end self-aligns but floats, absorbing thermal expansion without inducing axial load. The pair is standard on paper machine drying cylinders and long caster rolls.
Is the C 2211 KV sealed?
No, it is an open execution relying on the housing seals; the full-complement V design has no thermal reference speed in the catalogue.
Reviewed & verified by the MPN Base engineering desk against source catalog SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 10.1 CARB toroidal roller bearings on 2026-09-27. Read our editorial & correction policy.