IR 25x29x20 Inner ring SKF - 1 pcs.

Inner ring SKF IR 25X29X20

SKF IR-series needle roller bearing inner ring, with dimensions d × F × B: 25 × 29 × 20 mm.

Design

The ring is hardened and ground. The raceway has a precision-ground surface and lead-in chamfers on both sides. This variant has no lubrication hole.

Sales unit

One sales unit includes 1 inner ring SKF IR 25X29X20.

Catalogue dimensions and tolerances

d — bore diameter: 25 mm.

F — raceway diameter (outside diameter): 29 mm.

B — ring width: 20 mm.

r, r₁,₂ min — minimum chamfer dimension: 0,3 mm.

Δdmp — mean bore diameter deviations: upper 0 mm; lower -0,01 mm.

ΔFmp — mean raceway diameter deviations: upper 0 mm; lower -0,012 mm.

ΔBs — width deviations: upper 0 mm; lower -0,12 mm.

For the bore and width, the SKF catalogue specifies the Normal class according to ISO 492. The raceway diameter has the separate deviations stated above. The product illustration shows the SKF ring family; our own catalogue diagram is not a production drawing.

Questions and answers

Which SKF ring variant does this offer include?

The offer is for IR 25X29X20 SKF from the IR series. Bore diameter is 25 mm, raceway diameter 29 mm and width 20 mm.

What tolerances does the catalogue state for this size?

Mean bore diameter deviations are 0 / -0,01 mm, and mean raceway diameter deviations 0 / -0,012 mm. Width deviations are 0 / -0,12 mm.

Does this ring have a lubrication hole?

No. The offer is for the variant without suffix IS1, which SKF uses to designate a version with a lubrication hole.

What does one sales unit include?

One sales unit includes 1 inner ring SKF IR 25X29X20.