Metric single-row tapered roller bearings

30234 Tapered Roller Bearing Dimensions & Specifications

30234 tapered roller bearing: 170 mm bore (d), 310 mm outside diameter (D), 57 mm overall width (T). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.

Technical specifications

Bore d170 mm
Outside diameter D310 mm
Overall width T57 mm
Inner-ring width B52 mm
Outer-ring width C43 mm
Mass16.1 kg
Catalogue dynamic load Cr525 kN
Catalogue static load Cor690 kN
Mounting dimensions & additional parameters (12)
Abutment dimension Da Da282 mm
Abutment dimension Db Db297 mm
Abutment dimension da da207 mm
Abutment dimension db db189 mm
Minimum chamfer r12 r125 mm
Minimum chamfer r34 r344 mm
Factor Y Y1.4
Factor Y0 Y00.77
Factor e e0.43
Maximum fillet ra ra4 mm
Maximum fillet rb rb3 mm
Load centre dimension a a59.8 mm

Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.

Selection & installation

Which width should I use when checking 30234?

For 30234, the complete bearing width T is 57 mm; the inner-ring width B is 52 mm. The outer-ring width C is 43 mm. Check T against the assembly drawing; the separate ring widths describe different parts.

Which mounting dimensions are listed for 30234?

The 30234 catalogue lists da = 207 mm; Da = 282 mm; ra ≤ 4 mm. Check these symbols against the bearing drawing and the shaft/housing shoulders; they are not shaft or housing fit tolerances.

What is the reference mass of 30234?

The catalogue reference mass for 30234 is 16.1 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.

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