NTN NA4838 190 mm ID Needle Roller Bearing Machined-ring, Needle Roller, 240 mm OD

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₩1,822,144.88

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  • 2026년 3월 17일 부터 배송
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RS 제품 번호:
454-051
제조사 부품 번호:
NA4838
제조업체:
NTN
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브랜드

NTN

Product Type

Needle Roller Bearing

Inside Diameter

190 mm

Race Width

50mm

Bore Type

Round

Roller Material

Steel

Cage Material

Steel

Static Load Rating

680kN

Outside Diameter

240 mm

Dynamic Load Rating

227kN

End Type

Open

Standards/Approvals

RoHS

Limiting Speed

1900rpm

Maximum Speed - Oil

1900rpm

Maximum Speed - Grease

1300rpm

Series

NA4838

Internal Clearance

CN

Number of Rows

1

Bearing Material

High Carbon Chrome Steel

Bearing Type

Machined-ring, Needle Roller

Race Type

Machine-Ring Needle Roller Bearing with Inner Ring

COO (Country of Origin):
JP
The NTN Needle roller bearing is a remarkable engineering solution designed for precision and reliability in various mechanical applications. Specially crafted with a machined-ring and an inner ring, it offers enhanced stability and support while efficiently accommodating axial loads. The innovative double-side ribs ensure improved guidance and retention of the rolling elements, which ultimately contributes to the durability and performance longevity of the product. With a thoughtful design allowing for effective lubrication and minimal friction, this bearing stands out for its capability to operate under both grease and oil lubrication conditions.

Engineered for high load capacity and durability in demanding environments

Double-side ribs enhance guidance and retention of rolling elements

Designed to accommodate both grease and oil lubrication for versatile use

Optimised for low friction, promoting smooth operation and efficiency

Robust construction supports a wide operating temperature range

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