NTN 6311ZZC4/5K 1 Row Ball Bearing - 55 mm ID, 120 mm OD

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Subtotal (1 unit)*

PHP7,844.38

(exc. VAT)

PHP8,785.71

(inc. VAT)

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  • Ready to ship from November 09, 2026
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RS Stock No.:
704-521
Mfr. Part No.:
6311ZZC4/5K
Manufacturer:
NTN
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Brand

NTN

Product Type

Ball Bearing

Inside Diameter

55mm

Outside Diameter

120mm

Race Width

29mm

Ball Material

Steel

Cage Material

Steel

Race Material

Steel

End Type

Shielded

Number of Rows

1

Internal Clearance

C4

Static Load Rating

45kN

Dynamic Load Rating

79.5kN

Series

6311

Bore Type

Round

Limiting Speed

5800rpm

Bearing Type

Deep Groove

Flange Outside Diameter

120mm

Race Type

Plain

RoHS Status: Exempt

COO (Country of Origin):
JP
The NTN Deep groove ball bearing is designed for efficient radial load handling, enhancing performance across various mechanical applications. Featuring a single-row configuration, this bearing excels in offering low friction and high-speed operations, making it suitable for applications that require reliability and durability. Its robust construction, with a pressed steel cage and shields on both sides, ensures optimal protection against contamination while maintaining smooth performance. Ideal for use in industrial machinery, automotive systems, and various engineering operations, this bearing combines quality craftsmanship with Advanced material design to ensure a long service life under demanding conditions.

Designed for radial contact, ensuring effective load management

Constructed with a pressed steel cage for added durability and strength

Included shields provide enhanced protection against dirt and moisture

Optimises performance with a radial clearance class of C4, Ideal for high load scenarios

Capable of handling dynamic loads up to 79,500,000 mN for robust performance

Equipped with a fatigue limit load of 3,500,000 mN for increased reliability

Features operating temperature limits ranging from -40 °C to 150 °C for versatile applications

Suited for applications requiring grease lubrication with a limit speed of up to 34,800 °/s

Compact design with an internal diameter of 55 mm and external diameter of 120 mm for space efficiency

Facilitates smooth operation with a minimum fillet radius of 2 mm at both ends

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