NATV-30-PPA bearing: complete specifications & equivalents
The NATV-30-PPA is a ISO 15 radial bearing sized 30 x 62 x 29 mm (bore x OD x width). Verify dimensions against the official catalog before ordering.
Specification table
| Parameter | Value |
|---|---|
| Brand | SKF |
| Bore diameter d | 30 mm |
| Outer diameter D | 62 mm |
| Width B | 29 mm |
| Material | GCr15 |
| Seal / shield | open |
| Internal clearance | CN |
| Tolerance class | P0 |
| Cage | steel |
| Basic dynamic load rating C | 29.2 kN |
| Basic static load rating C0 | 62 kN |
| Fatigue load limit Pu | 7.65 kN |
| Limiting speed (mechanical) | 1400 rpm |
| Operating temperature | -40 to +120 °C |
| Mass | 470 g |
| Manufacturer designation | NATV 30 PPA |
| Standard | ISO 15 |
| Catalog version | SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 15 support rollers / ch. 16 cam followers |
| Last verified | 2026-09-30 |
Source: catalog reference (SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 15 support rollers / ch. 16 cam followers) · extracted 2026-09-30
Parameters extracted from the official SKF Rolling Bearings catalogue (SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 15 support rollers / ch. 16 cam followers); 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 & NATV-series range
| Bore d | 1.181 in |
|---|---|
| Outer diameter D | 2.441 in |
| Width B | 1.142 in |
| ISO bore code | — |
| Radial section height (D−d)/2 | 16 mm |
| Smallest bore in NATV-series | 5 mm |
| Largest outer diameter in NATV-series | 90 mm |
| Width range across NATV-series | 12–32 mm |
| Bore position in NATV-series (smallest first) | 10 of 13 |
| Bore above smallest NATV-series size | 25 mm |
Cross references & equivalents
| Equivalent model | Brand | Match level | Note |
|---|---|---|---|
| NATV | 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 NATV-30-PPA model number is decoded
the 62 mm outside diameter runs on the track while the 30 mm bore takes the pin or shaft; the 29 mm overall width spreads the Hertzian contact over the outer ring published ratings C 29.2 kN and C0 62 kN already include the bending-stress correction for the unsupported outer ring — the C/C0 ratio of 0.47 is typical for full-complement support roller with flange rings, with inner ring executions fatigue load limit Pu 7.65 kN at 30 mm bore gives a specific load of 0.97 kN per mm; the limiting speed is 1,400 r/min the 29 mm width carries the load at 1.01 kN per mm of roller complement; section height 16.0 mm between bore and track surface determines the outer-ring bending stiffness mass 470 g over a 62x29 mm envelope works out to 0.261 g per mm² of projected area — a useful figure when sizing the drive inertia for low-speed cam duty at 30 mm bore this size crosses into the range where double-row full-complement executions (NUTR/PWTR/NUKR) offer substantially higher C ratings than the single-row needle designs the NATV prefix identifies a full-complement flanged support roller — ideal for slow, heavily loaded tracks where the cam profile generates high contact stress but the surface speed stays moderate the PPA variant has a crowned track surface: the 62 mm OD is finished with a large-radius crown that compensates for minor track misalignment and reduces edge stress concentration typical applications include automotive welding jig positioners, conveyor transfer and diverting rollers and woodworking machinery feed rollers this size is commonly specified for automotive welding jig positioners and conveyor transfer and diverting rollers, where the 62 mm track diameter and 30 mm bore fit standard cam and rail geometries in woodworking machinery feed rollers the 62 mm outer ring provides the rolling contact while the inner ring bore simplifies mounting; the 470 g mass is low enough for rapid indexing cycles full-complement rollers generate more friction and heat — the lower limiting speed is a hard thermal limit, not a suggestion without a cage the rollers can skew under momentary unloading, leading to edge loading and premature raceway pitting
Typical equipment & failure modes
Common applications
- textile machine cam drives
- automotive welding jig positioners
- agricultural equipment cam followers
- packaging machine timing cams
Known failure patterns
- full-complement rollers generate more friction and heat — the lower limiting speed is a hard thermal limit, not a suggestion
- without a cage the rollers can skew under momentary unloading, leading to edge loading and premature raceway pitting
- the higher static capacity invites overloading; remember the dynamic C rating still governs fatigue life
- full complement needle rollers have no cage to separate them — momentary unloading can let rollers skew and jam in the track
- the absence of a cage increases friction torque; check that the cam drive can overcome the drag at low speed
- in oscillating applications the rollers can brinell if the stroke is too short to rotate the full complement; ensure the motion profile rotates the rollers through at least one full revolution
Selection pitfalls — read before you substitute
- without a cage the rollers can skew under momentary unloading, leading to edge loading and premature raceway pitting
- full-complement rollers generate more friction and heat — the lower limiting speed is a hard thermal limit, not a suggestion
- the higher static capacity invites overloading; remember the dynamic C rating still governs fatigue life
Frequently asked questions
What are the dimensions of the NATV-30-PPA?
NATV-30-PPA is a full-complement support roller with flange rings, with inner ring with 62 mm outside diameter, 30 mm bore diameter and 29 mm overall width. The bore is 30 mm and the track contact diameter is 62 mm.
What does the NATV designation mean?
The NATV prefix identifies this as a full-complement support roller with flange rings, with inner ring. In the SKF catalogue this designation carries the full specification including the 62x30x29 mm envelope and the 1400 r/min limiting speed.
What is the load capacity of NATV-30-PPA?
The published basic dynamic load rating C is 29.2 kN and the basic static load rating C0 is 62 kN. These values already include the bending-stress correction for the thick-walled outer ring running on a track.
Reviewed & verified by the MPN Base engineering desk against source catalog SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 15 support rollers / ch. 16 cam followers on 2026-09-30. Read our editorial & correction policy.