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98788

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NTN 98788 is an inch-series single row tapered roller bearing with a straight bore. Designed for radial and axial loads in gearboxes, wheel hubs, and industrial machinery. This bearing is unsealed and features a stamped steel cage.

MODEL 98788

BRAND

SKU

283138

WEIGHT

5.229 lb

UOM

each

UPC

4547359459241

$248.40 Each

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Bearing Modification Services

Typically Ships in: 1 day

Returnable:No

Height

7.874

I.D.

4 in

Length

7.874

Material

Carburized Steel

O.D.

7.874 in

Width

1.375

Technical Specifications

Type

Bearing Cup

Material

Case Carburized Steel

Weight

5.229 lb2.372 kg

Dimensional Specifications


Cup for Tapered Roller Bearing - Inch Series and J Series - Dimensions

D

7.8740 in200.000 mm

Wo

1.3750 in34.925 mm

W

2.0772 in52.761 mm

r

0.1300 in3.300 mm

X

7.40 in188.0 mm

Z

6.85 in174.0 mm

How do I choose the right type of bearing for my application?

Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.

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