Metric single-row tapered roller bearings

30230 Tapered Roller Bearing Dimensions & Specifications

30230 tapered roller bearing: 150 mm bore (d), 270 mm outside diameter (D), 49 mm overall width (T). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.

Technical specifications

Bore d150 mm
Outside diameter D270 mm
Overall width T49 mm
Inner-ring width B45 mm
Outer-ring width C38 mm
Mass10.7 kg
Catalogue dynamic load Cr435 kN
Catalogue static load Cor570 kN
Mounting dimensions & additional parameters (12)
Abutment dimension Da Da246 mm
Abutment dimension Db Db259 mm
Abutment dimension da da180 mm
Abutment dimension db db165 mm
Minimum chamfer r12 r124 mm
Minimum chamfer r34 r343 mm
Factor Y Y1.4
Factor Y0 Y00.77
Factor e e0.43
Maximum fillet ra ra3 mm
Maximum fillet rb rb2.5 mm
Load centre dimension a a50.2 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 30230?

For 30230, the complete bearing width T is 49 mm; the inner-ring width B is 45 mm. The outer-ring width C is 38 mm. Check T against the assembly drawing; the separate ring widths describe different parts.

Which mounting dimensions are listed for 30230?

The 30230 catalogue lists da = 180 mm; Da = 246 mm; ra ≤ 3 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 30230?

The catalogue reference mass for 30230 is 10.7 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.

Scroll to Top