NSK 90BAR10-ETYNDBELP4A Angular Contact Ball Bearing - 90 mm ID, 140 mm OD, 45 mm Width
NSK box for the 7903-A5TYNDUMP4 Angular Contact Ball Bearing
    NSK 90BAR10-ETYNDBELP4A Angular Contact Ball Bearing - 90 mm ID, 140 mm OD, 45 mm Width
    NSK box for the 7903-A5TYNDUMP4 Angular Contact Ball Bearing
NSK 90BAR10-ETYNDBELP4A Angular Contact Ball Bearing - 90 mm ID, 140 mm OD, 45 mm Width
NSK box for the 7903-A5TYNDUMP4 Angular Contact Ball Bearing
NSK 90BAR10-ETYNDBELP4A Angular Contact Ball Bearing - 90 mm ID, 140 mm OD, 45 mm Width
NSK box for the 7903-A5TYNDUMP4 Angular Contact Ball Bearing
    NSK 90BAR10-ETYNDBELP4A Angular Contact Ball Bearing - 90 mm ID, 140 mm OD, 45 mm Width
    NSK box for the 7903-A5TYNDUMP4 Angular Contact Ball Bearing
NSK 90BAR10-ETYNDBELP4A Angular Contact Ball Bearing - 90 mm ID, 140 mm OD, 45 mm Width
NSK box for the 7903-A5TYNDUMP4 Angular Contact Ball Bearing

NSK 7903-A5TYNDUMP4 Angular Contact Ball Bearing - 17 mm ID, 30 mm OD, 14 mm Width

  • d 17 mm
  • D 30 mm
  • B 14 mm
  • Open (None)
  • C0 - Normal
Brand: NSK

Genuine NSK product, NSK

Regular price
$215.60
Sale price
$215.60
Regular price
$100.04
Shipping calculated at checkout.
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Bearings from Apollo Industries, Oxford, Michigan

Apollo Industries supplies bearings, seals and maintenance tools to businesses across the US, with real people on the phone when you need a part matched.

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Map of Oxford, Michigan
Oxford, Michigan

Talk to a bearing specialist

(248) 429-9073

sales@apollousa.com

2695 Lake George Rd
Oxford, MI 48370

Overview

NSK 7903-A5TYNDUMP4 Angular contact ball bearing

Angular Contact Ball Bearing

NSK angular contact ball bearings have raceways that displace inner and outer rings axially relative to each other, enabling them to support combined radial and axial loads. Available as single, double, and four-point contact, they are essential in pumps, compressors, gearboxes, and machine tool spindles.

Key features

  • Supports combined radial and axial loads
  • High speed and precision capability
  • Single, double, and four-point contact designs
  • Optimized contact angles available
  • Engineered for long service life

Specifications

NSK 7903-A5TYNDUMP4 dimensions & specifications

Drawing of the NSK 7903-A5TYNDUMP4, bore d 17 mm, outside diameter D 30 mm, width B 14 mm B 14 mm D 30 mm d 17 mm
Drawn to scale from the catalog dimensions.
Bearing type
Angular contact ball bearing
Bore diameter d
17 mm (0.669 in)
Outside diameter D
30 mm (1.181 in)
Width B
14 mm (0.551 in)
Seals / shields
Open (None)
Internal clearance
C0 - Normal
Weight
0.08 lb
Brand
NSK
Part number
7903-A5TYNDUMP4 also written 7903A5TYNDUMP4
UPC / EAN
192661130506

All specifications

Dimensions

Bore Diameter17 mm
Outside Diameter30 mm
Width14 mm

Properties

MaterialStandard bearing steel
Outer ringWithout flange/groove
Ball rowsSingle row bearing

Logistics

Product Net Weight0.038

Tools & lubrication

Complete the job for your 7903-A5TYNDUMP4

Mount it without damage and keep it lubricated. Tick what you need and add it with one click.

Catalogs & documents

NSK 7903-A5TYNDUMP4 catalogs & documents

Official catalogs and data from the manufacturer. They open as PDFs in a new tab.

About the brand

About NSK

Japan's first bearing maker, since 1916.

NSK was founded in Tokyo on 8 November 1916 and mass-produced bearings in its founding year, a first in Japan. In 1918 it built Japan's first large thrust bearings. NSK Americas was founded in 1997.

Genuine NSK product

  • Founded

    1916

  • Headquarters

    Tokyo, Japan

Known for

  • Deep groove ball bearings
  • NSKHPS spherical and cylindrical roller bearings
  • Super precision bearings
  • Linear guides
NSK website (opens in a new tab)

Disclaimer: Apollo Industries is not an authorized distributor, reseller, or representative of NSK. All NSK trademarks and product names are the property of their respective owners. We sell genuine NSK products purchased through independent channels.

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FAQ

7903-A5TYNDUMP4 questions & answers

What are the dimensions of the NSK 7903-A5TYNDUMP4?

The NSK 7903-A5TYNDUMP4 has a 17 mm bore (d), a 30 mm outside diameter (D) and a 14 mm width (B). In inches: 0.669 × 1.181 × 0.551 in.

What type of bearing is the 7903-A5TYNDUMP4?

The NSK 7903-A5TYNDUMP4 is an angular contact ball bearing.

Is the 7903-A5TYNDUMP4 sealed or shielded?

The NSK 7903-A5TYNDUMP4 is an open bearing (Open (None)): it has no seals or shields.

What internal clearance does the 7903-A5TYNDUMP4 have?

The NSK 7903-A5TYNDUMP4 has C0 - Normal internal clearance.

Is this a genuine NSK bearing?

Yes. Apollo Industries sells genuine NSK products, purchased through independent channels. Apollo is not an authorized distributor, reseller, or representative of NSK.

Do you ship the 7903-A5TYNDUMP4 the same day?

In-stock orders placed by 3 PM EST ship the same day. All orders over $100 ship free by ground with code FREESHIP.

Can I get quantity pricing or buy tax-exempt?

Yes. Apollo offers special rates for businesses and bulk orders. Use Request a quote on this page or call (248) 429-9073.

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