IR 45x50x20 Inner ring JNS - 1 pcs.
Inner ring JNS IR455020, IR series without lubrication hole. Dimensions d×F×B: 45×50×20 mm. Sales unit: 1 piece.

Inner ring JNS IR455020
JNS IR-series needle roller bearing inner ring, with dimensions 45 × 50 × 20 mm. Manufacturer designation: IR455020.
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 IR455020.

Catalogue dimensions
d — bore diameter: 45 mm; catalogue deviations 0 / -0,012 mm
F — outside diameter: 50 mm
B — width: 20 mm
rₛ min — minimum chamfer dimension: 0,3 mm
da — abutment diameter according to catalogue: min 47 mm, max 49 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 IR455020, IR series. The dimensional designation of this variant is IR 45×50×20.
What dimensions and bore deviations does this ring have?
Bore diameter d is 45 mm, outside diameter F 50 mm and width B 20 mm. The catalogue states deviations of 0 / -0,012 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 IR455020.
-
Jednostka sprzedaży1 szt.
-
Rodzaj elementuPierścień wewnętrzny łożyska igiełkowego
-
Szerokość B20 mm
-
ProducentJNS
-
Średnica otworu d45 mm
-
Oznaczenie producentaIR455020
-
SeriaIR
-
Odchyłki katalogowe d0 / -0,012 mm
-
Średnica zewnętrzna F50 mm
-
Wymiar sfazowania rₛ min0,3 mm
-
Średnica przylegania da wg katalogumin 47 mm; max 49 mm
-
Otwór smarowyBrak
-
ObróbkaObróbka cieplna
-
Wykończenie powierzchniDokładne szlifowanie
-
Krawędzie powierzchni czołowychSfazowane
-
Kraj pochodzenia wg dostawcyJaponia

Comments (0)
Your review appreciation cannot be sent
Report comment
Report sent
Your report cannot be sent