NTN 51128 Ball Bearing - 140 mm ID, 180 mm OD

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Subtotal (1 unit)*

PHP19,857.93

(exc. VAT)

PHP22,240.88

(inc. VAT)

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  • Ready to ship from September 29, 2026
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RS Stock No.:
706-883
Mfr. Part No.:
51128
Manufacturer:
NTN
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Brand

NTN

Inside Diameter

140mm

Product Type

Ball Bearing

Outside Diameter

180mm

Race Width

31mm

Cage Material

Steel

Ball Material

Steel

End Type

Open

Static Load Rating

375kN

Dynamic Load Rating

107kN

Bore Type

Round

Limiting Speed

1800rpm

Bearing Type

Thrust

RoHS Status: Exempt

COO (Country of Origin):
JP
The NTN One direction thrust ball bearing is engineered to support axial loads in a single direction, making it an Ideal choice for various applications requiring reliable performance and durability. With a robust internal diameter of 140 mm and an external diameter of 180 mm, this thrust bearing is designed to provide stability under operational stresses. Its height of 31 mm ensures optimal load distribution, while the minimal fillet radius enhances installation efficiency. This specific bearing model is crafted for both oil and grease lubrication, significantly extending its operational lifespan and reliability across different temperature environments.

Dynamic axial load rating of 107,000,000 mN ensures superior strength and longevity under load

Oil lubrication limit speed of 10,800 °/s allows for high-speed operations without performance loss

Grease lubrication limit speed of 7,800 °/s caters to different lubrication preferences

Minimum operating temperature of 233.15 °K supports functionality in cold environments

Maximum operating temperature of 393.15 °K ensures reliability in hotter applications

Maximum shoulder diameter of 156 mm and a minimum shoulder diameter of 164 mm provide versatile mounting options

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