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Tapered Roller Bearings

single row

Single row tapered roller bearings feature angular raceways of inner and outer ring and a resulting force-transferring contact angle. Due to this, an axial load always induces a radial load and the other way around, which is why tapered roller bearings are always combined with a second bearing. Paired, they can in addition to radial forces also absorb axial and combined forces and are particularly suitable for medium to high speeds. Single row tapered roller bearings can be disassembled which facilitates a separate assembly of inner and outer ring.


Absorption of high axial and radial forces


Assembly by pairs


Reaches high rigidities when preloaded

Dimensions and Tolerances

The boundary dimensions of the bearings are standardised in ISO 355, DIN 720 and ANSI/AMBA Standard 19.2 for Inch Bearings. ALPHA Wälzlager GmbH supplies single row tapered roller bearings with normal tolerance (PN) in accordance to DIN 620-2 and ISO 492. Please contact our technical department to check the availability of bearings with improved accuracy class or special tolerances.

Bearing Clearance or Preload

The operating clearance or preload of a tapered roller bearing adjusts with the positioning against a mirror-image arranged second tapered roller bearing after assembly.


Nikolaigasse 39 – 9500 Villach (Austria)
+43 664 88299952
UID-Nr / VAT: ATU68405219