TIMKEN 61888MA deep groove ball bearing
- Brand
- TIMKEN
- Category
- Bearings
- Subcategory
- Deep groove ball bearings
- Series
- 61000
We respond promptly.
Since 1945 · Martínez, Buenos Aires, Argentina
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Other brands in this category
Ask us about alternatives. Equivalence is verified for each reference and application.
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How to read TIMKEN 61888MA
- 618Series
- Deep groove ball bearings, 618 series. For the same bore, each series has a different outside diameter and width.
- 88Bore
- 440 mm bore: 88 × 5.
- MASuffix
- TIMKEN suffix: it defines the variant (sealing, cage, internal clearance or other features).
61888 is the standard (ISO) basic designation: it defines the type, the series and the bore.
Description
The TIMKEN 61888MA bearing has a 440 mm bore, a 540 mm outside diameter and a 46 mm width (440 x 540 x 46 mm).
TIMKEN 61888MA is a reference of deep groove ball bearing, within Bearings. Request a quote for 61888MA via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.
The TIMKEN 618 MA series deep groove ball bearing is a precision component designed to support radial and axial loads in both directions. Its single-row ball construction and machined brass cage give it high rigidity and smooth rotation, ideal for applications requiring accuracy and low friction. It is used in industrial machinery, power transmission equipment and assemblies that demand reliability and long service life.
The 618 MA series designation is interpreted as follows: the 618 prefix corresponds to the thin-section deep groove ball bearing series, while the MA suffix indicates a machined brass cage, ball-centered. Examples such as 618/500MA, 618/530MA and 618/600MA show that the number after the slash indicates the bore diameter in millimeters. This nomenclature allows quick identification of the bearing's size and construction features.
In Argentine industry, these bearings are used in a wide variety of applications: from machine tools and precision equipment to conveyors, pumps and industrial fans. Their ability to operate at high speeds and support combined loads makes them suitable for electric motors, gearboxes and power transmission systems. They are also used in the food, chemical and petrochemical sectors, where reliability is critical.
To correctly select a bearing from this series, it is essential to consider the radial and axial load it will support, as well as the rotation speed and environmental conditions. Mounting requires precise alignment between shaft and housing, and adequate lubrication according to the application type. The machined brass cage offers excellent temperature resistance and allows high speeds. It is recommended to verify internal clearance and sealing according to the working environment.
Regarding equivalents and interchangeability, deep groove ball bearings of similar series from other manufacturers may have standardized dimensions that allow replacement, provided tolerances and cage type are verified. It is important to consult the technical specifications of each brand to ensure compatibility. MR Accesorios Industriales can advise you on the right alternative for your application.
If you need a quote for a TIMKEN 618 MA series deep groove ball bearing or a specific variant, write to us on WhatsApp with the part number or model you require. At MR Accesorios Industriales we provide personalized service and will send you a quote promptly. We can also indicate the compatible alternative that best suits your equipment.
Dimensions
Boundary dimensions of the basic designation 61888 per ISO 15: 440 x 540 x 46 mm (d x D x B).
- Bore
- 440 mm
- Outside diameter (D)
- 540mm
- Width (B)
- 46mm
Same size in SKF and other brands
Pages from other brands with the basic designation 61888: 440 x 540 x 46 mm (d x D x B) per ISO 15.
They share the boundary dimensions set by ISO 15, not the technical data: seals or shields, internal clearance, cage and load rating can differ by brand and suffix. We quote each one by its full part number.
Frequently Asked Questions
- What are the dimensions of the TIMKEN 61888MA bearing?
- The TIMKEN 61888MA bearing has a 440 mm bore, a 540 mm outside diameter and a 46 mm width (440 x 540 x 46 mm). These are the standardised boundary dimensions (ISO 15) of the basic designation 61888.
- What does the MA suffix mean in the 618 MA designation?
- The MA suffix indicates that the bearing has a machined brass cage, ball-centered. This cage offers high strength and allows high speeds, making it suitable for demanding applications.
- How can I identify the bore diameter of a 618/500MA bearing?
- In the 618/500MA designation, the number 500 after the slash indicates the bore diameter in millimeters. For other sizes, the number varies proportionally, as in 618/530MA or 618/600MA.
- What are typical applications for 618 MA series deep groove ball bearings?
- They are used in machine tools, electric motors, pumps, fans and transmission equipment. Their design allows them to support radial and axial loads with high precision and low friction.