NSK 6004-DDU Deep Groove Ball Bearing - 20 mm ID, 42 mm OD, 12 mm Width
- d 20 mm
- D 42 mm
- B 12 mm
- Double Rubber Seals
- C0 - Normal
Genuine NSK product, NSK
- Regular price
- $9.04
- Sale price
- $9.04
- Regular price
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$2.33
Same-day shipping
Order by 3 PM ET for same-day shipping
Free shipping on orders over $100
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NSK 6004-DDU
$9.04
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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2695 Lake George RdOxford, MI 48370
Overview
NSK 6004-DDU 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 6004-DDU dimensions & specifications
- Bearing type
- Deep groove ball bearing
- Bore diameter d
- 20 mm (0.787 in)
- Outside diameter D
- 42 mm (1.654 in)
- Width B
- 12 mm (0.472 in)
- Seals / shields
- Double Rubber Seals
- Internal clearance
- C0 - Normal
- Weight
- 0.15 lb
- Brand
- NSK
- Part number
- 6004-DDU also written 6004DDU
All specifications
Dimensions
| Bore Diameter | 20 mm |
| Outside Diameter | 42 mm |
| Width | 12 mm |
Properties
| Material | Standard bearing steel |
| Material of rolling elements | Standard bearing steel |
| Cage | Sheet steel cage |
| Seal | Contact seal on both sides |
| Bore | Cylindrical bore |
| Clearance | Normal radial clearance |
| Outer ring | Without flange/groove |
| 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 | 0.068 |
Cross reference
6004-DDU cross reference & equivalents
Bearings from other brands with the same boundary dimensions. Check seals, clearance, cage and precision class before you order.
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SKF
6004-2RSHSKF 6004 -2RSH Deep Groove Ball Bearing - 20 mm ID, 42 mm OD, 12 mm Width, Cylindrical Bore, Normal
- Same size
- Same seals
- Same clearance
Sale price$9.91
Regular price$15.02In stock
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FAG
6004-C-2HRS (-2RSR)FAG 6004-C-2HRS (-2RSR) Deep Groove Ball Bearing - 20 mm ID, 42 mm OD, 12 mm Width
- Same size
- Same seals
- Same clearance
$10.68
In stock
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Timken
6004-2RSTimken 6004-2RS Single Row Deep Groove Ball Bearing, Metric Series, 20mm Bore, 42mm OD, 12mm Width, Double Sealed, Cylindrical Bore, Steel Cage, C0 Clearance, ISO P0 Tolerance.
- Same size
- Same seals
- Same clearance
$17.00
Call for availability -
SKF
60042RSJ
Contact seals both sides
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INA
60042RS
Contact seals both sides
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Consolidated
6004-2RS
Contact seals both sides
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NTN
6004LLU
Contact seals both sides
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Koyo
6004-2RS
Contact seals both sides
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Nachi
6004-2NSE
Contact seals both sides
Reference data only. Verify specifications before you order.
Search more equivalents in the Apollo Bearing IndexTools & lubrication
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Part number decoded
What every part of 6004-DDU means
- 60
- 60xx extra-light deep groove ball (dimension series 10)
- 04
- Bore code 04 × 5 = 20 mm (ISO convention)
- DDU
- Contact rubber seals on both sides
Catalogs & documents
NSK 6004-DDU 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
6004-DDU questions & answers
What are the dimensions of the NSK 6004-DDU?
The NSK 6004-DDU has a 20 mm bore (d), a 42 mm outside diameter (D) and a 12 mm width (B). In inches: 0.787 × 1.654 × 0.472 in.
What type of bearing is the 6004-DDU?
The NSK 6004-DDU is a deep groove ball bearing.
Is the 6004-DDU sealed or shielded?
The NSK 6004-DDU is sealed: Double Rubber Seals.
What internal clearance does the 6004-DDU have?
The NSK 6004-DDU has C0 - Normal internal clearance.
What can I use instead of the NSK 6004-DDU?
Equivalents with the same boundary dimensions include SKF 6004-2RSH, FAG 6004-C-2HRS (-2RSR), Timken 6004-2RS, SKF 60042RSJ, INA 60042RS, Consolidated 6004-2RS. Check the seals, internal clearance, cage and precision class before you order.
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 6004-DDU 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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