NTN RNA4912R 68 mm ID Needle Roller Bearing Needle Roller, Machined-ring, 85 mm OD

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₩110,980.16

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  • 2026년 3월 16일 부터 배송
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* 참고 가격: 실제 구매가격과 다를 수 있습니다

RS 제품 번호:
455-524
제조사 부품 번호:
RNA4912R
제조업체:
NTN
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브랜드

NTN

Product Type

Needle Roller Bearing

Inside Diameter

68 mm

Race Width

25mm

Bore Type

Cylindrical

Roller Material

Steel

Static Load Rating

108kN

Series

RNA4912R

Number of Rows

1

Bearing Material

Steel

Internal Clearance

CN

Standards/Approvals

RoHS

Maximum Speed - Grease

4000rpm

Outside Diameter

85 mm

Maximum Speed - Oil

6000rpm

Dynamic Load Rating

61.5kN

Race Type

Machine-Ring

Bearing Type

Needle Roller, Machined-ring

COO (Country of Origin):
JP
The NTN Needle roller bearing, designed without an inner ring, offers robust structural integrity and superior performance for various applications. Its machined ring construction ensures a perfect fit and reliability, making it ideal for scenarios where space is limited and weight is a concern. With unique features like double-side ribs and a lubrication hole, this bearing is engineered for optimal efficiency. The exceptional load ratings guarantee long-lasting durability, accommodating heavy loads with ease while maintaining smooth operation. Operating within a wide temperature range increases its versatility, catering to diverse industrial applications.

Precision class ensures high-performance operation

Includes lubrication holes for straightforward maintenance

Constructed with high-quality rolling element material for longevity

Reduced radial clearance for precision alignment

Optimised for easy installation in compact spaces

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