NSK 6904-ZZNR Deep Groove Ball Bearing - 20 mm ID, 37 mm OD, 9 mm Width
- d 20 mm
- D 37 mm
- B 9 mm
- Double Metal Shields
- C0 - Normal
Genuine NSK product, NSK
- Regular price
- $26.73
- Sale price
- $26.73
- Regular price
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$9.10
Same-day shipping
Order by 3 PM ET for same-day shipping
Free shipping on orders over $100
Use code at checkout.
NSK 6904-ZZNR
$26.73
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
Show us a competitor's advertised price on the same item and we will match it.
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Expert support
Support staff available by phone, web chat or email.
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Need tax exemption or quantity pricing?
We offer special rates for businesses and bulk orders.
Talk to a bearing specialist
2695 Lake George RdOxford, MI 48370
Overview
NSK 6904-ZZNR Deep groove ball bearing
Deep Groove Ball Bearing
NSK deep groove ball bearings are versatile, robust, and accommodate radial and axial loads in both directions. Their simple design, low friction, and high speed capability make them suitable for a wide range of industrial applications, from electric motors to gearboxes. Sealed and shielded variants protect against contamination, while open versions allow easy lubrication.
Key features
- Versatile design for radial and axial loads
- Low friction and high speed capability
- Available open, shielded, or sealed
- Long service life with low maintenance
- Suitable for a wide range of applications
Specifications
NSK 6904-ZZNR dimensions & specifications
- Bearing type
- Deep groove ball bearing
- Bore diameter d
- 20 mm (0.787 in)
- Outside diameter D
- 37 mm (1.457 in)
- Width B
- 9 mm (0.354 in)
- Seals / shields
- Double Metal Shields
- Internal clearance
- C0 - Normal
- Snap ring
- Snap Ring
- Weight
- 0.07 lb
- Brand
- NSK
- Part number
- 6904-ZZNR also written 6904ZZNR
All specifications
Dimensions
| Bore Diameter | 20 mm |
| Outside Diameter | 37 mm |
| Width | 9 mm |
Properties
| Material | Standard bearing steel |
| Material of rolling elements | Standard bearing steel |
| Cage | Sheet steel cage |
| Seal | Cover on both sides |
| Bore | Cylindrical bore |
| Clearance | Normal radial clearance |
| Outer ring | Annular groove with circlip in outer ring |
| Tolerance class | Tolerance class P0/PN2 / ABEC 1 |
| Temperature range | -20 to +120 °C |
| Ball rows | Single row bearing |
| Current insulation | No current insulation |
Logistics
| Product Net Weight | 0.034 |
Tools & lubrication
Complete the job for your 6904-ZZNR
Mount it without damage and keep it lubricated. Tick what you need and add it with one click.
Catalogs & documents
NSK 6904-ZZNR catalogs & documents
Official catalogs and data from the manufacturer. They open as PDFs in a new tab.
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Catalog
NSK Rolling Bearings for Industrial Machinery (opens in a new tab)
PDF · 299 MB · English
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Interchange
NSK Bearing and Linear Replacement Guide (opens in a new tab)
PDF · 16 MB · English
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Catalog
NSK Deep Groove Ball Bearings (opens in a new tab)
PDF · 4 MB · English
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Catalog
NSK Ball Bearing Units (opens in a new tab)
PDF · 12 MB · English
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Mounting
NSK Bearing Doctor: Handling, Maintenance and Troubleshooting (opens in a new tab)
PDF · 18 MB · English
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Technical
NSK Internal Clearance: Types and Norms (opens in a new tab)
PDF · 559 KB · English
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
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.
FAQ
6904-ZZNR questions & answers
What are the dimensions of the NSK 6904-ZZNR?
The NSK 6904-ZZNR has a 20 mm bore (d), a 37 mm outside diameter (D) and a 9 mm width (B). In inches: 0.787 × 1.457 × 0.354 in.
What type of bearing is the 6904-ZZNR?
The NSK 6904-ZZNR is a deep groove ball bearing.
Is the 6904-ZZNR sealed or shielded?
The NSK 6904-ZZNR is shielded: Double Metal Shields.
What internal clearance does the 6904-ZZNR have?
The NSK 6904-ZZNR 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 6904-ZZNR 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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