TIMKEN 240/500YMB spherical roller bearing
- Brand
- TIMKEN
- Category
- Bearings
- Subcategory
- Spherical roller bearings
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Decoding TIMKEN 240/500YMB
- 240Series
- Spherical roller bearings, 240 series. Series differ in outside diameter and width even when the bore is the same.
- /500Bore
- Bore: 500 mm.
- YMBSuffix
- TIMKEN suffix: identifies the variant, such as seals or shields, cage, internal clearance or other features.
240/500 is the standard ISO basic designation, which sets the bearing type, series and bore.
Description
TIMKEN 240/500YMB measures 500 mm across the bore and 720 mm across the outside diameter; its width is 218 mm (500 x 720 x 218 mm).
TIMKEN 240/500YMB belongs to spherical roller bearing, part of our Bearings range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for 240/500YMB and any equivalents.
TIMKEN spherical roller bearings handle heavy radial loads and axial loads in both directions, and their self-aligning design keeps them working when the shaft and housing are not perfectly aligned. The two rows of rollers run on a spherical outer raceway, which compensates for misalignment in flexing shafts or difficult mounting positions. Typical equipment includes mills, conveyors, gearboxes and other heavy machinery. MR Industrial Accessories quotes these bearings from your part number or size through WhatsApp or email.
The series designation pairs a dimension series with a bore size and the YMB suffix. In a reference such as 230/500YMB or 230/600YMB, the 230 indicates the dimension series and the number after the slash is the bore in millimeters (500 mm, 600 mm). YMB identifies a machined brass window cage guided by the rollers, a construction used in Timken spherical roller bearings. The suffix does not alter the external dimensions, but it does define the internal construction and load capacity.
These bearings are common in plants where combined loads and misalignment are present: cement and mining mills, crushers, high-capacity conveyors, speed reducers, paper machines, steelmaking equipment, large industrial fans and overhead cranes. Because they take radial and axial loads at the same time, they fit continuous-process operations where reliability matters.
Selection depends on radial and axial load, rotational speed, lubrication and sealing. Correct initial alignment and a proper fit on shaft and housing are critical at mounting. Grease or oil can be used depending on the application and thermal conditions. The YMB brass cage provides strength and guidance, but its compatibility with the chosen lubricant should be checked.
When a bearing is replaced, equivalents from other brands are often considered. Main dimensions usually match standards, yet internal suffixes can differ. Compare the complete designation and the service conditions before deciding. MR Industrial Accessories can help you find a suitable alternative that maintains the original performance.
To request a TIMKEN spherical roller bearing from this series, send the part number or size by WhatsApp or email. MR Industrial Accessories replies promptly and can also advise on mounting and lubrication to support the service life of the component.
Dimensions
500 x 720 x 218 mm (d x D x B): boundary dimensions for basic designation 240/500, according to ISO 15.
- Bore
- 500 mm
- Outside diameter (D)
- 720mm
- Width (B)
- 218mm
SKF and other brands, same size
Other brands' pages with basic designation 240/500: 500 x 720 x 218 mm (d x D x B) per ISO 15.
- Need the SKF 240/500? We can also quote:240/500 ECA/C3W33
- FAG240/500-BEA-XL-MB1240/500-BEA-XL-K30-MB1
- NSK240/500CAME4240/500CAMK30E4
- NTN240/500B240/500BK30
- RKB240/500
What they share are the ISO 15 boundary dimensions, not the specs: seals or shields, internal clearance, cage and load rating may vary with brand and suffix. Every quote is by full part number.
Frequently asked questions
- TIMKEN 240/500YMB bearing: what are its dimensions?
- TIMKEN 240/500YMB measures 500 mm across the bore and 720 mm across the outside diameter; its width is 218 mm (500 x 720 x 218 mm). Those are the boundary dimensions standardized in ISO 15 for basic designation 240/500.
- What does the YMB suffix mean on a TIMKEN bearing?
- YMB indicates a machined brass window cage guided by the rollers. This construction is typical of Timken spherical roller bearings and provides strength and guidance in demanding applications.
- How do I read the designation 230/500YMB?
- The 230 is the dimension series, the 500 after the slash is the bore diameter in millimeters (500 mm), and YMB is the cage type. So 230/500YMB is a spherical roller bearing with a 500 mm bore and a brass cage.
- Is this bearing suitable for axial loads?
- Yes. Spherical roller bearings withstand high radial loads and axial loads in both directions, although axial capacity is lower than radial capacity. They suit combined loads and possible misalignment.