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Deep groove ball bearing NTN 6018 ZZ
- Manufacturer Part Number
- 6018 ZZ
- Brand
- NTNOfficial distributor
- Category
- Bearings
- Subcategory
- Deep groove ball bearings
Other brands in this category
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Description
NTN 6018 ZZ is a deep groove ball bearing reference, within Bearings. Request a quote for 6018 ZZ via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.
NTN deep groove ball bearings with the ZZ suffix are single-row bearings that have two metal shields, one on each side. They support moderate radial and axial loads in both directions and are the most widespread option when a simple, low-maintenance bearing suitable for high speeds is required. They are used in electric motors, pumps, fans, gearboxes and power transmission equipment in general.
The designation of these bearings is read in two parts. The four-digit number identifies the size: the first two indicate the diameter series and the last two the bore diameter. Thus, 6008ZZ and 6012ZZ share the series and change the shaft size, just like 6018 ZZ or 6020 ZZ. The ZZ suffix defines the closure: two steel shields, one per side, that retain the lubricant and block the ingress of coarse dust without adding contact or appreciable friction.
In Argentine industry these bearings appear in general-purpose electric motors, centrifugal pumps, fans and extractors, conveyor belts, machine tools and packaging equipment. They are also found in agricultural implements, compressors and power transmission systems where a compact support is needed, easy to mount and with very little maintenance requirement throughout the service life of the equipment.
To choose well, take into account the type of closure: ZZ is fine in dusty environments without pressurized liquids, while if there is water or steam a contact seal is preferable. Also verify the factory lubrication, internal clearance and alignment of the housing and shaft, because a misaligned support shortens the bearing life. Mounting is done with a press or puller, never by striking the raceway.
When the customer brings the part number from another brand, interchangeability is resolved by dimensions: bore diameter, outer diameter and width. Deep groove ball bearings of equivalent series between manufacturers usually share those dimensions, and the closure suffix may vary from one brand to another. If the part has no identification, it can be identified by measurement and comparison with the corresponding standard.
If you need an NTN deep groove ball bearing with ZZ closure, send the complete part number via WhatsApp to MR Accesorios Industriales and we will quote it shortly. If you have an unidentified part or the part number from another brand, send us the measurement or the model and we will indicate the corresponding equivalent.
This description provides guidance on the product type. Check the configuration and dimensions of this reference.
Dimensions
- Eje o agujero
- 90 mm
Frequently Asked Questions
- What does the ZZ suffix mean on an NTN bearing?
- The ZZ suffix indicates that the bearing has two metal shields, one on each side. They protect against dust and retain the lubricant, without contact with the balls, so they do not increase friction or limit speed.
- How do I send the part number so it can be quoted?
- Write to us via WhatsApp with the complete part number, for example 6008ZZ or 6012ZZ, and we will quote it shortly. If you have doubts about the designation, also send us the shaft and housing dimensions.
- Can I replace a bearing from another brand with an NTN one?
- Yes, when the main dimensions match: bore diameter, outer diameter and width. Send the part number of the original brand and we will indicate the equivalent NTN reference so you can confirm interchangeability before mounting.

