4217-ATN9 bearing: complete specifications & equivalents
The 4217-ATN9 is a ISO 15 radial bearing sized 85 x 150 x 36 mm (bore x OD x width). Verify dimensions against the official catalog before ordering.
Specification table
| Parameter | Value |
|---|---|
| Brand | SKF |
| Bore diameter d | 85 mm |
| Outer diameter D | 150 mm |
| Width B | 36 mm |
| Material | GCr15 |
| Seal / shield | open |
| Internal clearance | CN |
| Tolerance class | P0 |
| Cage | polymer (PA66 glass-fibre reinforced) |
| Basic dynamic load rating C | 93.6 kN |
| Basic static load rating C0 | 102 kN |
| Fatigue load limit Pu | 4 kN |
| Reference speed (thermal) | 7000 rpm |
| Limiting speed (mechanical) | 3600 rpm |
| Operating temperature | -40 to +120 °C |
| Mass | 2550 g |
| Manufacturer designation | 4217 ATN9 |
| Standard | ISO 15 |
| Catalog version | SKF PUB BU/P1 17000/1 EN (Oct 2018) |
| Last verified | 2026-09-27 |
Source: catalog reference (SKF PUB BU/P1 17000/1 EN (Oct 2018)) · extracted 2026-09-27
Parameters extracted from the official SKF Rolling Bearings catalogue (SKF PUB BU/P1 17000/1 EN (Oct 2018)); 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 & 4200-series range
| Bore d | 3.346 in |
|---|---|
| Outer diameter D | 5.906 in |
| Width B | 1.417 in |
| ISO bore code | 17 |
| Radial section height (D−d)/2 | 32.5 mm |
| Smallest bore in 4200-series | 10 mm |
| Largest outer diameter in 4200-series | 160 mm |
| Width range across 4200-series | 14–40 mm |
| Bore position in 4200-series (smallest first) | 18 of 19 |
| Bore above smallest 4200-series size | 75 mm |
Cross references & equivalents
No verified interchange data yet. Send an inquiry and our team will confirm equivalents manually.
How the 4217-ATN9 model number is decoded
4217 ATN9 is a double-row deep-groove ball bearing in the 4200-series: the last two digits encode the bore: 4217 carries code 17 = 85 mm (code × 5). Two complete ball sets share the 85×150×36 mm (3.346×5.906×1.417 in) envelope, giving C 93.6 kN, C0 102 kN and Pu 4 kN, with reversing axial capacity a single-row bearing cannot match. ATN9 is the glass-fibre PA66 cage. Limiting speed 3600 r/min, mass 2550 g. The arrangement is open and requires external sealing.
Typical equipment & failure modes
Common applications
- industrial wheel arrangements
- double-supported pump impeller shafts
- gearbox layshafts with reversing axial load
- agricultural gearboxes
Known failure patterns
- uneven load sharing between the two raceways when one ring is tilted
- polyamide cage embrittlement after sustained high-temperature service
- rolling-contact fatigue spalling once the catalogue L10 life is exceeded
- brinelling from static overload or hammer blows during mounting
Selection pitfalls — read before you substitute
- C 93.6 kN in a 36 mm width is the strength of the double-row design; use it for combined or reversing axial loads rather than pure radial duty where a slimmer single-row bearing would run cooler.
- Fit both rings square on the shoulders: the narrow internal land between the two raceways of 4217-ATN9 is sensitive to cocking during pressing.
- The ATN9 cage is glass-fibre-reinforced polyamide 66: it is light and quiet but caps continuous service around 100–120 °C in oil/grease — above that use the pressed-steel or machined-cage version of the 85 mm position.
- Two deep-groove raceways in 4217-ATN9 share the load but need parallel seats; tilting the 36 mm-wide assembly loads one row heavily and can spall it early.
- Two deep-groove raceways in 4217-ATN9 share the load but need parallel seats; tilting the 36 mm-wide assembly loads one row heavily and can spall it early.
- Deep-groove geometry tolerates only minutes of misalignment; if the 150 mm housing bore cannot be aligned, move to a self-aligning bearing rather than shimming 4217-ATN9.
Frequently asked questions
What are the dimensions of 4217-ATN9?
Double-row 4217 ATN9 measures 85×150×36 mm (3.346×5.906×1.417 in), about 2550 g.
What does ATN9 mean on 4217 ATN9?
A = double-row deep-groove arrangement, TN9 is a glass-fibre-reinforced polyamide 66 cage; it limits continuous temperature to roughly 100–120 °C.
How is 4217-ATN9 lubricated and sealed?
The ATN9 execution is open and greased/oiled by the application; provide external lip seals and a regreasing path for dirty duty.
What load does 4217-ATN9 carry?
C 93.6 kN, C0 102 kN and Pu 4 kN per catalogue 17000; both rows share the load when the rings sit parallel.
Reviewed & verified by the MPN Base engineering desk against source catalog SKF PUB BU/P1 17000/1 EN (Oct 2018) on 2026-09-27. Read our editorial & correction policy.