332068 bearing: complete specifications & equivalents
The 332068 is a ANSI ABMA 19.2 radial bearing sized 305.033 x 560 x 200 mm (bore x OD x width). Verify dimensions against the official catalog before ordering.
Specification table
| Parameter | Value |
|---|---|
| Brand | SKF |
| Bore diameter d | 305.033 mm |
| Outer diameter D | 560 mm |
| Width B | 200 mm |
| Material | GCr15 |
| Seal / shield | open |
| Internal clearance | CN |
| Tolerance class | P0 |
| Cage | steel, stamped ribbon (J-type) |
| Basic dynamic load rating C | 1677 kN |
| Basic static load rating C0 | 5300 kN |
| Fatigue load limit Pu | 430 kN |
| Operating temperature | -40 to +120 °C |
| Mass | 200000 g |
| Manufacturer designation | SKF 332068 |
| Standard | ANSI ABMA 19.2 |
| Catalog version | SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 8.3-8.8 TRB variants |
| Last verified | 2026-09-29 |
Source: catalog reference (SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 8.3-8.8 TRB variants) · extracted 2026-09-29
Parameters extracted from the official SKF Rolling Bearings catalogue (SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 8.3-8.8 TRB variants); 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 & tdi-series range
| Bore d | 12.009 in |
|---|---|
| Outer diameter D | 22.047 in |
| Width B | 7.874 in |
| ISO bore code | 68 |
| Radial section height (D−d)/2 | 127.5 mm |
| Smallest bore in tdi-series | 203.2 mm |
| Largest outer diameter in tdi-series | 595 mm |
| Width range across tdi-series | 84–263.525 mm |
| Bore position in tdi-series (smallest first) | 7 of 25 |
| Bore above smallest tdi-series size | 101.83300000000003 mm |
Cross references & equivalents
| Equivalent model | Brand | Match level | Note |
|---|---|---|---|
| 332068 | 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 332068 model number is decoded
SKF 332068 belongs to the SKF TDI double-row range — the 305.033 mm bore entry with a 560 mm outside diameter and 200 mm overall width, typical for rolling-mill and heavy industrial shafts.The code SKF 332068 is not an ISO 355 number: double-row tapered bearings of this size follow SKF works numbering, where 332068 fixes the 305.033×560×200 mm envelope and the variant suffix (TDIS/N2Y) fixes the internal execution. Clearance note for 332068: the operating clearance is set at the factory by spacer grinding between the two rows; the TDIS/N2Y variant encodes that setting, so the unit mounts without any adjustment — the assembler only verifies seat contact and clamps axially. The catalogue publishes no speed ratings for this size class — permissible speed is set by the application thermal balance; plan lubrication and cooling against the 200.0 kg mass and the 560 mm OD surface. Cross-section geometry: the 127.5 mm half-section ((560−305.033)/2) places the roller pitch diameter near 432 mm, and the 200 mm axial width sets the abutment depth — geometry that fixes the contact angle behaviour of 332068. The TDIS/N2Y execution of 332068 differs from sibling variants in internal detail — spacer style, rib execution or clearance class — while sharing the 305.033×560×200 mm boundary; the full designation including the variant is the only safe order reference. In the TDI O-arrangement the spread of the two rows of 332068 gives high moment stiffness; the cups must be free to float microscopically in the housing so shaft thermal growth does not consume the factory clearance.
Typical equipment & failure modes
Common applications
- large industrial mixer shafts
- offshore winch and drawworks drums
- rolling-mill roll-neck bearings
- large industrial mixer shafts
Known failure patterns
- brinelling of both raceways when mounting force is transmitted through the roller complement
- thermal clearance loss when housing cooling is undersized for two rows of tapered contact
- cage pocket scoring when the bearing starts cold with grease of too-high base-oil viscosity
- rolling-contact fatigue spalling after the rated L10 life is exceeded
- grease degradation after long shelf storage without rotation or re-greasing
Selection pitfalls — read before you substitute
- The 305.033 mm bore seat must be checked for ovality before mounting — at this size a worn seat lets the cone creep, and fretting debris then works between the rows of 332068.
- The 305.033 mm bore seat must be checked for ovality before mounting — at this size a worn seat lets the cone creep, and fretting debris then works between the rows of 332068.
- Lifting 332068 by one ring separates the assembly; sling through the 305.033 mm bore or use the shaft as the lifting member.
- The 1677/5300 kN ratings are SKF catalogue 17000 values for this execution; 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 SKF 332068 designation when purchasing — base-number-only orders are ambiguous across executions and variants.
Frequently asked questions
What are the dimensions and catalogue data of 332068?
The SKF 332068 is a double-row tapered roller bearing of TDI design with 305.033 mm bore, 560 mm outer diameter and 200 mm overall width (12.009 × 22.047 × 7.874 in). From SKF catalogue PUB BU/P1 17000: basic dynamic load rating C 1677 kN, C0 5300 kN, fatigue load limit Pu 430 kN, mass about 200.00 kg.
What does the TDIS/N2Y variant code on 332068 mean?
Double-row tapered bearings of this size follow SKF works numbering: the base number 332068 fixes the 305.033×560×200 mm envelope, and the TDIS/N2Y code identifies the internal design variant — spacer execution, rib detail and clearance class. Same-envelope units under a different variant are not interchangeable without checking the variant meaning.
Why does the catalogue list no speed rating for 332068?
Bearings of this size class run in slow, heavily loaded machinery where the permissible speed is set by the application heat balance rather than a universal table value. Plan lubrication and cooling against the 200.0 kg assembly mass and instrument the first run with temperature logging.
Can components of 332068 be interchanged with another unit of the same base number?
No — cones, cups and spacers of a double-row set are matched per serial and the clearance is set by selective grinding at the factory. Replace 332068 as a complete assembly in the same TDIS/N2Y variant.
How does 332068 react axial load?
The TDI design works as a fixed O arrangement: one double cone between two single cups gives a wide load spread and high moment stiffness while reacting thrust in both directions through the two rows.
Reviewed & verified by the MPN Base engineering desk against source catalog SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 8.3-8.8 TRB variants on 2026-09-29. Read our editorial & correction policy.