NSK 1205-K Self-Aligning Ball Bearing - 25 mm ID, 52 mm OD, 15 mm Width
- d 25 mm
- D 52 mm
- B 15 mm
- Open (None)
- C0 - Normal
Genuine NSK product, NSK
- Regular price
- $56.89
- Sale price
- $56.89
- Regular price
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$13.06
Same-day shipping
Order by 3 PM ET for same-day shipping
Free shipping on orders over $100
Use code at checkout.
NSK 1205-K
$56.89
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 1205-K Self-aligning ball bearing
Self-Aligning Ball Bearing
NSK self-aligning ball bearings have two rows of balls and a common spherical outer raceway. They tolerate shaft and housing misalignment and accommodate moderate radial loads with low friction. They are ideal for applications where shaft deflection or mounting errors are expected.
Key features
- Tolerates shaft misalignment
- Low friction operation
- Two rows of balls on a spherical raceway
- Suitable for high speeds
- Long service life with low maintenance
Specifications
NSK 1205-K dimensions & specifications
- Bearing type
- Self-aligning ball bearing
- Bore diameter d
- 25 mm (0.984 in)
- Outside diameter D
- 52 mm (2.047 in)
- Width B
- 15 mm (0.591 in)
- Seals / shields
- Open (None)
- Internal clearance
- C0 - Normal
- Weight
- 0.3 lb
- Brand
- NSK
- Part number
- 1205-K also written 1205K
All specifications
Dimensions
| Bore Diameter | 25 mm |
| Outside Diameter | 52 mm |
| Width | 15 mm |
Properties
| Material | Standard bearing steel |
| Cage | Sheet steel cage |
| Seal | None, open bearing |
| Bore | Tapered bore (1:12) |
| Clearance | Normal radial clearance |
| Inner ring | Standard version |
| Tolerance class | Tolerance class P0/PN2 / ABEC 1 |
| Temperature range | -30 to +150 °C |
| Ball rows | Double row bearing |
Logistics
| Product Net Weight | 0.135 |
Cross reference
1205-K 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
1205 EK
Same size, tapered bore
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SKF
1205 K
Same size, tapered bore
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FAG
1205-K-TVH
Same size, tapered bore
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NTN
1205K
Same size, tapered bore
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Timken
1205K
Same size, tapered bore
Reference data only. Verify specifications before you order.
Search more equivalents in the Apollo Bearing IndexTools & lubrication
Complete the job for your 1205-K
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 1205-K means
- 12
- 12xx self-aligning ball, light (dimension series 02)
- 05
- Bore code 05 × 5 = 25 mm (ISO convention)
- K
- Tapered bore, taper 1:12
Catalogs & documents
NSK 1205-K 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
1205-K questions & answers
What are the dimensions of the NSK 1205-K?
The NSK 1205-K has a 25 mm bore (d), a 52 mm outside diameter (D) and a 15 mm width (B). In inches: 0.984 × 2.047 × 0.591 in.
What type of bearing is the 1205-K?
The NSK 1205-K is a self-aligning ball bearing.
Is the 1205-K sealed or shielded?
The NSK 1205-K is an open bearing (Open (None)): it has no seals or shields.
What internal clearance does the 1205-K have?
The NSK 1205-K has C0 - Normal internal clearance.
What can I use instead of the NSK 1205-K?
Equivalents with the same boundary dimensions include SKF 1205 EK, SKF 1205 K, FAG 1205-K-TVH, NTN 1205K. 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 1205-K 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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