Authorised stockist
16006 NTN | Single Row Ball Bearing | 30X55X9
ID (d) mm30
OD (D) mm55
Width (B) mm9
Alternatives & equivalents
| Brand | NTN |
| Product code | 16006 NTN |
| MPN | 16006 |
| Series | Metric - Light Duty - 16000 |
| Country of origin | Japan |
| Availability | In stock |
| Bearing Material | Steel |
| Measurement Type | Metric |
| ID (d) mm | 30 |
| OD (D) mm | 55 |
| Width (B) mm | 9 |
| Bore Type | Cylindrical |
| Static Load C0 (kN) | 7.35 |
| Dynamic Load C (kN) | 12.5 |
| Clearance | CN |
| Cage Material | Steel cage |
| Race Material | Steel |
The single row deep-groove ball bearing is the most popular bearing. It is available in a wide range of sizes with several possible options: sealing with shields or seals, presence of a retaining ring, varied clearances, several cage types, etc.
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How do I find the right replacement bearing from an old part number?
Check the part number stamped on the bearing's outer ring or shield — this usually follows a standard format (e.g. 6205-2RS). If the marking is worn, measure the bore diameter, outer diameter and width, then use our cross-reference tool or send the dimensions to our technical team and we'll identify it.
What's the difference between sealed (2RS) and shielded (ZZ) bearings?
Sealed bearings (2RS / RS) have rubber contact seals that keep out dust, moisture and contaminants — better for washdown or dirty environments. Shielded bearings (ZZ) use non-contact metal shields, allowing lower friction and higher speeds, but offer less protection against ingress.
How do I know the load rating I need?
Load rating depends on the application: radial load, axial (thrust) load, speed and expected service life. The dynamic load rating (Cr) applies to rotating applications; the static load rating (Cor) applies to stationary or slow-moving loads. If you're unsure, share your application details — RPM, load direction and duty cycle — and we'll size it for you.
Are your bearings compatible with SKF, FAG or NSK part numbers?
Yes — most standard metric bearings (deep-groove ball bearings, etc.) are dimensionally interchangeable across major manufacturers when the ISO part number matches (a 6205 is a 6205 regardless of brand). Precision class and material spec can still vary, so check the datasheet if tolerance is critical.
What tolerance class are your bearings?
Most of our stocked bearings are supplied to ISO Normal (P0) tolerance — the standard class for general industrial use. Tighter precision classes (P6, P5 and above) are available to order; tell us your application and we'll confirm what's achievable.
Do you offer stainless steel or corrosion-resistant bearings?
Yes — stainless and corrosion-resistant options are available across several lines, suited to food, marine and washdown environments. Let our team know your conditions and we'll recommend the right grade.
What's your lead time on stocked vs special-order bearings?
Stocked lines dispatch the same working day when ordered before 3pm. Special-order and non-standard items vary by manufacturer — we'll confirm a firm lead time as soon as you enquire.
Do you provide material certificates or traceability documentation?
Yes — material certificates and traceability documentation can be supplied for regulated industries such as aerospace, food and pharmaceutical. Please request this at the time of ordering.
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