Nachi 5309 Angular Contact Ball Bearing - 45 mm ID, 100 mm OD, 39.7 mm Width
- d 45 mm
- D 100 mm
- B 39.7 mm
- C0 - Normal
Genuine Nachi product, Nachi
- Regular price
- $298.72
- Sale price
- $298.72
- Regular price
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Free shipping on orders over $100
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Why Apollo USA
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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Same-day shipping
Order by 3 PM EST for same-day shipping.
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Free shipping over $100
All orders over $100 ship free by ground with code FREESHIP.
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90-day returns
Hassle-free returns on unused items within 90 days.
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Price match
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Expert support
Support staff available by phone, web chat or email.
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We offer special rates for businesses and bulk orders.
Talk to a bearing specialist
2695 Lake George RdOxford, MI 48370
Overview
Nachi 5309 Angular contact ball bearing
Angular Contact Ball Bearing, double row open design with normal clearance
The Nachi 5309 is a medium-sized double-row angular contact ball bearing with a 45 mm bore, 100 mm outside diameter and 39.7 mm width. Two ball rows sit at opposing contact angles inside a single pair of rings, so one bearing does the work of a back-to-back matched pair: it takes heavy radial load, axial load in both directions, and the tilting moments that come with an overhung pulley or a cantilevered shaft. Because the rings are rigid and the contact angles are preset, the assembly is stiff without any setting work at installation. Open on both sides, sheet steel cage, normal CN clearance, rated -20 to +150 degrees C.
Key features
- Double row takes axial load in both directions
- Resists tilting moments from overhung loads
- Rigid, stiff shaft support in one bearing
- No setting required at installation
- Open design, sheet steel cage, normal CN clearance
- Operating range -20 to +150 degrees C
Specifications
Nachi 5309 dimensions & specifications
- Bearing type
- Angular contact ball bearing
- Bore diameter d
- 45 mm (1.772 in)
- Outside diameter D
- 100 mm (3.937 in)
- Width B
- 39.7 mm (1.563 in)
- Internal clearance
- C0 - Normal
- Weight
- 3.04 lb
- Brand
- Nachi
- Part number
- 5309
All specifications
Dimensions
| Bore Diameter | 45 mm |
| Outside Diameter | 100 mm |
| Width | 39.7 mm |
Properties
| Arrangement | Standard version |
| Ball rows | Double row bearing |
| Cage | Sheet steel cage |
| Clearance | Normal radial clearance |
| Contact angle | Without indication, usually 30-40 degrees |
| Material | Standard bearing steel |
| Outer ring | Without flange/groove |
| Seal | None, open bearing |
| Temperature range | -20 to +150 °C |
| Tolerance class | Tolerance class P0/PN2 / ABEC 1 |
Logistics
| Product Net Weight | 1.38 |
Tools & lubrication
Complete the job for your 5309
Mount it without damage and keep it lubricated. Tick what you need and add it with one click.
Part number decoded
What every part of 5309 means
- 53
- 33xx / 53xx double-row angular contact, medium (dimension series 23)
- 09
- Bore code 09 × 5 = 45 mm (ISO convention)
Catalogs & documents
Nachi 5309 catalogs & documents
Official catalogs and data from the manufacturer. They open as PDFs in a new tab.
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Catalog
Nachi Ball & Roller Bearings (B2100E-4) (opens in a new tab)
PDF · English
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Catalog
Nachi Deep-groove Ball Bearings, QUEST (B3402E-2) (opens in a new tab)
PDF · English
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Catalog
Nachi Spherical Roller Bearings (B1032E-5) (opens in a new tab)
PDF · English
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Catalog
Nachi Radial Ball Bearings (B4031E-2) (opens in a new tab)
PDF · English
About the brand
About Nachi
Nachi-Fujikoshi, founded in Toyama, Japan, in 1928.
Nachi-Fujikoshi was founded on 21 December 1928 in Toyama City, Japan, as Fujikoshi Steel Industry. It makes bearings alongside cutting tools, hydraulics, robots and specialty steel. Its North American headquarters is in Greenwood, Indiana.
Genuine Nachi product
Founded
1928
Headquarters
Toyama, Japan
Known for
- Deep groove ball bearings (QUEST)
- Spherical roller bearings
- Precision bearings
- Ball screw support bearings
Disclaimer: Apollo Industries is not an authorized distributor, reseller, or representative of Nachi. All Nachi trademarks and product names are the property of their respective owners. We sell genuine Nachi products purchased through independent channels.
FAQ
5309 questions & answers
What are the dimensions of the Nachi 5309?
The Nachi 5309 has a 45 mm bore (d), a 100 mm outside diameter (D) and a 39.7 mm width (B). In inches: 1.772 × 3.937 × 1.563 in.
What type of bearing is the 5309?
The Nachi 5309 is an angular contact ball bearing.
What internal clearance does the 5309 have?
The Nachi 5309 has C0 - Normal internal clearance.
Is this a genuine Nachi bearing?
Yes. Apollo Industries sells genuine Nachi products, purchased through independent channels. Apollo is not an authorized distributor, reseller, or representative of Nachi.
Do you ship the 5309 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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