IR 5x8x12 Inner ring JNS - 1 pcs.

Inner ring JNS IR5812

JNS IR-series needle roller bearing inner ring, with dimensions 5 × 8 × 12 mm. Manufacturer designation: IR5812.

Design

The IR variant is made without a lubrication hole. The JNS catalogue describes rings in this series as heat-treated and precision-ground, with chamfered edges on the end faces.

Sales unit

One sales unit includes 1 inner ring JNS IR5812.

Catalogue dimensions

d — bore diameter: 5 mm; catalogue deviations 0 / -0,008 mm

F — outside diameter: 8 mm

B — width: 12 mm

rₛ min — minimum chamfer dimension: 0,3 mm

da — abutment diameter according to catalogue: min 7 mm, max 7,7 mm

The photograph shows the JNS ring family. The diagram shows catalogue dimensions; it is not a production drawing.

Questions and answers

How can the correct JNS variant be identified?

The manufacturer designation is IR5812, IR series. The dimensional designation of this variant is IR 5×8×12.

What dimensions and bore deviations does this ring have?

Bore diameter d is 5 mm, outside diameter F 8 mm and width B 12 mm. The catalogue states deviations of 0 / -0,008 mm for d.

Does this variant have a lubrication hole?

No. The ring belongs to the IR series, which the JNS catalogue identifies as a design without a lubrication hole.

What does one sales unit include?

One sales unit includes 1 inner ring JNS IR5812.