Nachi 6904 -2NSECM Deep Groove Ball Bearing - 20 mm ID, 37 mm OD, 9 mm Width, CM
- d 20 mm
- D 37 mm
- B 9 mm
- C0 - Normal
Genuine Nachi product, Nachi
- Regular price
- $15.26
- Sale price
- $15.26
- Regular price
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Same-day shipping
Order by 3 PM ET for same-day shipping
Free shipping on orders over $100
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Nachi 6904-2NSECM
$15.26
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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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
Nachi 6904-2NSECM Deep groove ball bearing
Deep Groove Ball Bearing with contact seals on both sides and restricted CM clearance
The Nachi 6904 -2NSECM is a sealed deep groove ball bearing with a 20 mm bore, 37 mm outside diameter and 9 mm width, built to the restricted CM clearance range used throughout electric motor manufacture. Holding clearance to a narrow band keeps noise and vibration repeatable from unit to unit. Contact seals on both sides retain the grease and shut out moisture and dust, the ball set runs in a pressed sheet steel cage, and the bearing operates from -20 to +130 degrees C without further attention.
Key features
- Restricted CM clearance range for motor duty
- Contact seals both sides, sealed for life
- Repeatable low-noise running characteristics
- Effective barrier to moisture and dust
- Pressed sheet steel cage
- Operating range -20 to +130 degrees C
Specifications
Nachi 6904-2NSECM 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)
- Internal clearance
- C0 - Normal
- Weight
- 0.09 lb
- Brand
- Nachi
- Part number
- 6904-2NSECM also written 69042NSECM
All specifications
Dimensions
| Bore Diameter | 20 mm |
| Outside Diameter | 37 mm |
| Width | 9 mm |
Properties
| Ball rows | Single row bearing |
| Bore | Cylindrical bore |
| Cage | Sheet steel cage |
| Clearance | Normal radial clearance with restricted tolerances |
| Current insulation | No current insulation |
| Material | Standard bearing steel |
| Material of rolling elements | Standard bearing steel |
| Outer ring | Without flange/groove |
| Seal | Contact seal on both sides |
| Temperature range | -20 to +130 °C |
| Tolerance class | Tolerance class P0/PN2 / ABEC 1 |
Logistics
| Product Net Weight | 0.04 |
Tools & lubrication
Complete the job for your 6904-2NSECM
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 6904-2NSECM means
- 69
- 69xx thin section deep groove ball (dimension series 19)
- 04
- Bore code 04 × 5 = 20 mm (ISO convention)
- 2NSE
- Contact rubber seals, both sides (the lip touches the inner ring)
- CM
- Electric motor clearance (deep groove ball and cylindrical roller bearings)
Catalogs & documents
Nachi 6904-2NSECM 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
6904-2NSECM questions & answers
What are the dimensions of the Nachi 6904-2NSECM?
The Nachi 6904-2NSECM 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 6904-2NSECM?
The Nachi 6904-2NSECM is a deep groove ball bearing.
What internal clearance does the 6904-2NSECM have?
The Nachi 6904-2NSECM 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 6904-2NSECM 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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