The 30206 taper roller bearing sits in the sweet spot of the European aftermarket, serving both automotive trailer axle applications and industrial gearbox installations from the same catalog specification. Understanding where the same physical bearing lands in different applications, and how the specification varies subtly between them, tells you something useful about how procurement decisions get made in different aftermarket channels.
The 30206 dimensions and load capacity
The 30206 has 30 millimetre bore, 62 outside diameter, 17.25 width — the standard single-row tapered roller bearing geometry that matches the ISO 355 dimension series. Basic dynamic load rating around 30 kN and static rating around 34 kN. The rolling-element bearing catalog specifies these numbers under nominal conditions. Real applications deliver 30 to 60 percent shorter L10 life due to installation tolerance and operating variance.
Automotive trailer axle application
The 30206 is standard specification on European trailer axle configurations for medium-duty commercial vehicles. Truck manufacturers include Iveco, DAF and MAN specify variants of the 30206 for specific model configurations. The aftermarket rebuild specification typically uses TIMKEN 30206 for cost-effective replacement with acceptable service life. Premium range TIMKEN SPEXX 30206 delivers 30 to 50 percent longer L10 life at 25 to 40 percent price premium.
Industrial gearbox application
The 30206 sits on shaft positions in European industrial gearboxes from Bonfiglioli, Nord and other OEMs across their 3 to 7 kilowatt reducer ranges. The industrial application specification often uses SKF 30206 for the same technical performance in a different commercial channel. Cross-brand equivalency between TIMKEN, SKF, FAG and Koyo 30206 is clean — the geometry is identical.
Where the specification actually differs
Automotive trailer axle applications typically specify C3 clearance for the elevated operating temperature under highway duty cycle. Industrial gearbox applications use CN standard clearance for the lower operating temperature range. The seal package sometimes differs — automotive applications may include integrated seal, industrial applications typically rely on housing sealing. Getting the sub-specification right within the base 30206 designation matters.
The preload requirement in paired configurations
Both automotive and industrial applications typically use 30206 in matched pairs for two-way axial capacity. Preload setting follows the feeler gauge and endplay measurement method covered in a companion article. Getting preload right on paired installations is more important than choosing between competing brands.
Cross-brand pricing pattern
European aftermarket pricing on 30206 varies by roughly 15 to 25 percent across major brands. TIMKEN typically prices most competitively in tapered roller ranges. SKF prices slightly higher on standard range but competitive on premium Explorer. FAG sits in the middle. Koyo delivers standard range pricing 8 to 15 percent below the majors. For most applications the choice by customer brand preference over absolute price is pragmatic.
The stocking pattern that works
Distributors serving mixed automotive and industrial customers should stock 30206/C3 from TIMKEN and SKF as the flagship items, matched with CORTECO axle seal in the standard 30x62x10 dimensions. This mix covers both automotive rebuild and industrial gearbox aftermarket. Skip the specialty range variants from stock unless customer volume justifies.
What buyers should ask before ordering
Automotive or industrial? Operating temperature range? Paired or single mount? These three answers determine the correct sub-specification within the 30206 base designation. Standard aftermarket process typically defaults to 30206/C3 with matching CORTECO seal, which covers most applications acceptably.
30206 taper roller bearings available on Eurobearing
The 30206 taper roller sizes covered in this article ship in SKF, FAG and TIMKEN variants matched to both automotive trailer axle and industrial gearbox applications.
- 30206 SKF variants: 30206 standard · 30206 J2/Q · 30206 J2/QDFVQ417
- 30206 FAG variants: 30206 (30x62x17.25)
- 30206 TIMKEN variants: 30206 M90KM · NP417384/Y30206M
- 30206 specialty: 30206/27 TN9/QU4VE090
Related coverage on Eurobearing
- TIMKEN Tapered Roller Heavy Industry
- Taper Roller Preload Method
- TIMKEN vs SKF Tapered Selection
- Reading Tolerance Codes
- Inspect Bearing After 24 Months
Need help stocking 30206 across automotive and industrial channels? Our team supports European distributors with SKU selection. Book a free consultation.