32016X-DF bearing: complete specifications & equivalents
The 32016X-DF is a ISO 355 radial bearing sized 80 x 125 x 58 mm (bore x OD x width). Verify dimensions against the official catalog before ordering.
Specification table
| Parameter | Value |
|---|---|
| Brand | SKF |
| Bore diameter d | 80 mm |
| Outer diameter D | 125 mm |
| Width B | 58 mm |
| Material | GCr15 |
| Seal / shield | open |
| Internal clearance | CN |
| Tolerance class | P0 |
| Cage | steel, stamped ribbon (J-type) |
| Basic dynamic load rating C | 288 kN |
| Basic static load rating C0 | 430 kN |
| Fatigue load limit Pu | 49 kN |
| Reference speed (thermal) | 3200 rpm |
| Limiting speed (mechanical) | 5000 rpm |
| Operating temperature | -40 to +120 °C |
| Mass | 2650 g |
| Manufacturer designation | SKF 32016 X/DF |
| Standard | ISO 355 |
| 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 & matched-df-series range
| Bore d | 3.15 in |
|---|---|
| Outer diameter D | 4.921 in |
| Width B | 2.283 in |
| ISO bore code | — |
| Radial section height (D−d)/2 | 22.5 mm |
| Smallest bore in matched-df-series | 25 mm |
| Largest outer diameter in matched-df-series | 540 mm |
| Width range across matched-df-series | 34.5–280 mm |
| Bore position in matched-df-series (smallest first) | 12 of 35 |
| Bore above smallest matched-df-series size | 55 mm |
Cross references & equivalents
| Equivalent model | Brand | Match level | Note |
|---|---|---|---|
| 32016X | 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 32016X-DF model number is decoded
Digit by digit, 32016X-DF reads as the ISO 355 base bearing 32016 X supplied as a face-to-face (X) matched pair matched pair (/DF); the 80 mm bore and 125 mm OD are per-bearing, the 58 mm width is for the set. Face-to-face matching puts the small rib ends outward, so the pressure cones cross inside the pair; 32016X-DF therefore runs cooler where the shaft expands axially, at the price of lower moment stiffness than an O-arrangement of the same 80 mm bore. The C0/C balance of the pair is about 1.49; combined with the 49 kN fatigue limit this frames a set sized for reversing combined load on a 80 mm shaft rather than for pure radial duty. Dimensional interchange map: within its boundary plan the 80×125×58 mm envelope of 32016X-DF is fixed, so shoulder, spacer and seal drawings can be dimensioned straight from the catalogue table. Thermal behaviour of the pair: heat generated in the 80 mm bore cones flows along the shaft and changes the setting; the /DF clearance class is chosen for the catalogue speed range 3,200–5,000 r/min, so re-select the clearance class if the application runs hotter. Lubrication for the pair should be sized against the combined 58 mm width and 2650 g mass: two roller sets sweep twice the contact area of a single bearing of the same bore.SKF 32016 X/DF belongs to the SKF matched tapered-roller range — the 80 mm bore entry in face-to-face (X) matched pair arrangement, dimensioned 125 mm OD and 58 mm overall width for the pair.
Typical equipment & failure modes
Common applications
- construction machinery drives
- marine deck machinery shafts
- heavy industrial gearboxes and speed reducers
- heavy industrial gearboxes and speed reducers
Known failure patterns
- uneven load sharing in a pair when spacer faces are not parallel to the bore
- preload loss as the mounted pair relaxes, letting rollers skid and smear the raceways
- pressed-steel cage wear or fracture after prolonged running above the limiting speed
- rolling-contact fatigue spalling after the rated L10 life is exceeded
- rib-roller contact scoring from loss of the EP additive film
Selection pitfalls — read before you substitute
- A matched /DF set is ground as one system: never separate the two bearings of 32016X-DF or swap the spacer — the factory clearance is lost the moment the set is broken.
- Spacer faces must stay parallel within the set's own tolerance; a tilted spacer in 32016X-DF concentrates reversing thrust on one bearing and shows up as one-sided raceway wear.
- A matched /DF set is ground as one system: never separate the two bearings of 32016X-DF or swap the spacer — the factory clearance is lost the moment the set is broken.
- The 288/430 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 32016 X/DF designation when purchasing — base-number-only orders are ambiguous across executions and variants.
Frequently asked questions
What are the dimensions and catalogue data of 32016X-DF?
The SKF 32016 X/DF is a matched pair of single-row tapered roller bearings in face-to-face (X) matched pair arrangement with 80 mm bore, 125 mm outer diameter and 58 mm overall width (3.15 × 4.921 × 2.283 in). From SKF catalogue PUB BU/P1 17000: basic dynamic load rating C 288 kN, C0 430 kN, fatigue load limit Pu 49 kN, reference speed 3,200 r/min, limiting speed 5,000 r/min, mass about 2.65 kg.
What does the /DF suffix on 32016X-DF mean?
The base 32016 X is the ISO 355 single-row bearing; the /DF suffix marks the matched-set execution — the arrangement (face-to-face (X)), the ground spacer and the factory-set axial clearance class. A matched set cannot be assembled from loose single bearings; quote the full designation when ordering.
Are the C and C0 ratings of 32016X-DF for one bearing or the pair?
They are for the complete matched pair: C 288 kN dynamic and C0 430 kN static already include load sharing between the two bearings. Do not halve them for single-bearing checks, and do not compare them directly with the single-row 32016 X table values.
Can 32016X-DF be adjusted like two loose tapered bearings?
No — the axial clearance is set at the factory by selective spacer grinding. Mounting work is limited to clean seats, correct fits (k5 on a rotating 80 mm shaft) and axial clamping through the cones; re-setting in the field destroys the matched clearance class.
When should a face-to-face (X) matched set be chosen?
Choose the face-to-face (X) set where the shaft grows thermally or alignment is imperfect — the converging load lines tolerate deflection. It is the default choice for wheel hubs and general gearbox shafts at the 80 mm bore.
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.