22324 bearing: complete specifications & equivalents

The 22324 is a ISO 15 radial bearing sized 120 x 260 x 86 mm (bore x OD x width). Verify dimensions against the official catalog before ordering.

Bearing dimension schematic Front view shows outer diameter D and bore d; side section shows width B. D = 260 mm d = 120 B = 86 mm side section front view
Principal dimensions: bore d 120 mm, outer diameter D 260 mm, width B 86 mm. Schematic, not to scale.

Specification table

ParameterValue
Brand SKF
Bore diameter d 120 mm
Outer diameter D 260 mm
Width B 86 mm
Material GCr15
Seal / shield open
Internal clearance CN
Tolerance class P0
Cage steel, stamped ribbon (J-type)
Basic dynamic load rating C 1019 kN
Basic static load rating C0 1120 kN
Fatigue load limit Pu 100 kN
Reference speed (thermal) 2000 rpm
Limiting speed (mechanical) 2600 rpm
Operating temperature -40 to +120 °C
Mass 23000 g
Manufacturer designation SKF 22324 CC/W33
Standard ISO 15
Catalog version SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 9.1 spherical roller bearings
Last verified 2026-09-26

Source: catalog reference (SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 9.1 spherical roller bearings) · extracted 2026-09-26

Parameters extracted from the official SKF Rolling Bearings catalogue (SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 9.1 spherical 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 & 22300-series range

Bore d4.724 in
Outer diameter D10.236 in
Width B3.386 in
ISO bore code24
Radial section height (D−d)/270 mm
Smallest bore in 22300-series40 mm
Largest outer diameter in 22300-series620 mm
Width range across 22300-series33–185 mm
Bore position in 22300-series (smallest first)15 of 28
Bore above smallest 22300-series size80 mm

Cross references & equivalents

Equivalent modelBrandMatch levelNote
22324-CCK-W33 SKF full
Dimensions and internal design equivalent — standard interchange.
Tapered-bore (1:12) execution on AHX2324 withdrawal sleeve; same ISO 15 envelope, separate order number.

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 22324 model number is decoded

22324 is a double-row spherical roller bearing in the 22300-series family: two rows of barrel rollers on a common sphered outer raceway, self-aligning under shaft deflection, listed by SKF in SKF catalogue PUB BU/P1 17000. Reading the designation: the leading 2 marks a spherical roller bearing, the 23 is the ISO 15 dimension series (dimension series 23 (heavy OD, wide)), and the last two digits encode the 120 mm bore; the 260 mm OD and 86 mm width follow the ISO 15 general plan. The suffix chain reads CC (two pressed-steel cages with a floating guide ring between the roller rows) plus W33 (annular groove and three lubrication holes in the outer ring for relubrication); CCK/W33 is the 1:12 tapered-bore counterpart. With C 1019 kN and C0 1120 kN, the 22324 load check covers radial plus moderate axial in either direction — but below the minimum load the rollers skid, so verify P ≥ 0.01·C0 at the lightest operating point. A 120 mm rotating inner ring usually runs m6 on the shaft with H7 in the housing; for vibrating-screen duty the outer ring is instead held tight and the shaft seat loosened — follow the screen builder's fit schedule.

Typical equipment & failure modes

Common applications

  • heavy rolling-mill work-roll chocks
  • large dredger and marine winch drums
  • steel-plant continuous-caster segments
  • large induced-draft fan rotors

Known failure patterns

  • raceway fatigue spalling of the sphered outer raceway after extended service above the catalogue L10 rating
  • inner-ring raceway spalling from edge loading when misalignment exceeds the self-aligning recovery range
  • stamped-steel cage fatigue after long service in high-vibration screening duty without the VA405 execution
  • roller-end scoring from starved lubricant at start-up before the grease channel purges
  • rolling-contact fatigue spalling after the rated L10 life is exceeded

Selection pitfalls — read before you substitute

  • At 120 mm bore the ring mass makes cocking during mounting a real risk; guide the bearing square, confirm seat contact around the full circumference, and re-check the self-aligning swing after the housing cap is torqued down.
  • The 22300-series series at 120 mm bore (260×86 mm) is the heavy wide-section choice — highest capacity, lowest speed limit; do not substitute a 222 or 230 series in the same bore without re-checking both life and the 2,600 r/min ceiling.
  • The self-aligning feature is not a license to ignore alignment: beyond ≈ 0.5–2.5° (series-dependent) the edge loading eats the fatigue margin, and seal drag grows as the rings tilt.
  • The 23000 g mass and 86 mm width mean abutment faces must be square to the axis within the bearing's own P0 tolerance; a tilted spacer tilts the outer ring and concentrates load on one roller row of 22324.
  • The 1019/1120 kN ratings are SKF catalogue values for this exact execution (22324 CC/W33); SKF can revise internal geometry without changing the order number, so keep the catalogue version (SKF catalogue PUB BU/P1 17000) with the specification and re-verify for critical drives.
  • SKF lists several executions of 22324 (cylindrical bore as listed, tapered-bore 22324 CCK/W33 variant, plus sealed and vibrating-screen options in the same envelope); they are not interchangeable order numbers — quote the full 22324 CC/W33 designation when purchasing.

Frequently asked questions

What are the dimensions and catalogue data of 22324?

The 22324 CC/W33 is a double-row spherical roller bearing with 120 mm bore, 260 mm outer diameter and 86 mm width (4.724 × 10.236 × 3.386 in) per ISO 15. From SKF catalogue PUB BU/P1 17000: basic dynamic load rating C 1019 kN, C0 1120 kN, fatigue load limit Pu 100 kN, reference speed 2,000 r/min, limiting speed 2,600 r/min, mass about 23000 g. It is an open, self-aligning bearing with two pressed-steel cages with a floating guide ring.

How does the 22324 bore code work?

The last two digits of 22324 are bore code 24, so 24 × 5 = 120 mm bore. The 260 mm OD and 86 mm width come from the ISO 15 dimension-series plan (dimension series 23 (heavy OD, wide)), shared with other spherical roller bearings of the same code.

What does the CC/W33 suffix mean on 22324?

CC denotes two pressed-steel cages with a floating guide ring between the roller rows, and W33 adds an annular groove plus three lubrication holes in the outer ring for relubrication. CCK/W33 is the 1:12 tapered-bore counterpart.

Can 22324 accommodate misalignment and axial load?

Yes on both counts. The sphered outer raceway lets the bearing self-align ≈ 0.5–2.5° depending on series, absorbing shaft deflection and housing-seat errors. The two barrel-roller rows also carry bidirectional axial load in addition to heavy radial load — this is the key difference from cylindrical roller bearings, which take no axial load.

When should the tapered-bore 22324K variant be used instead?

Choose the K (1:12 tapered bore) variant when the bearing must seat on an adapter or withdrawal sleeve — typical for long shafts, frequent dismounting, or stepped shafts where machining a precision journal is impractical. Sleeve mounting requires measuring clearance reduction or axial drive-up, not nut torque. The cylindrical-bore 22324 listed here seats directly on a machined journal.

Reviewed & verified by the MPN Base engineering desk against source catalog SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 9.1 spherical roller bearings on 2026-09-26. Read our editorial & correction policy.