NTN 24196BK30 spherical roller bearing
- Brand
- NTN
- Category
- Bearings
- Subcategory
- Spherical roller bearings
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Decoding NTN 24196BK30
- 241Series
- Spherical roller bearings, 241 series. Series differ in outside diameter and width even when the bore is the same.
- 96Bore
- Bore 480 mm (96 × 5).
- BK30Suffix
- NTN suffix: identifies the variant, such as seals or shields, cage, internal clearance or other features.
24196 is the standard ISO basic designation, which sets the bearing type, series and bore.
Description
NTN 24196BK30 measures 480 mm across the bore and 790 mm across the outside diameter; its width is 308 mm (480 x 790 x 308 mm).
NTN 24196BK30 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 24196BK30 and any equivalents.
NTN spherical roller bearings are built with two rows of rollers and a spherical outer raceway, so the inner ring can tilt slightly. This lets them carry heavy radial loads together with axial loads in either direction, even when the shaft and housing are not perfectly aligned. They suit equipment where mounting errors, shaft deflection or thermal growth are normal.
The part number tells you what you are holding. Take 240/500BK30: 240 is the wide-section series, 500 is the bore in millimeters, B means a tapered bore, and K30 sets that taper at 1:30. The same series with a different bore appears as 240/530BK30; only the bore size changes. Reading codes this way helps you confirm a replacement without measuring first.
These bearings are common in mining, cement, crushing, mills, conveyors and other heavy machinery, as well as in steel, paper and petroleum plants. Long shafts and assemblies that see mechanical or thermal deformation are where the self-aligning feature earns its place.
Selection starts with the radial and axial loads, the speed and the environment. If dust, moisture or particles are present, specify sealed or flinger versions. Choose grease or oil lubrication to match the application, keep initial alignment inside the bearing's own limits, check internal clearance at mounting, and avoid impacts that could mark rollers or raceways.
When you replace a bearing, equivalent codes from other brands often come up. Main dimensions usually match, but internal design, cage and heat treatment can differ. Confirm interchangeability against manufacturer tables or ask a specialist before committing.
To request a quote for an NTN spherical roller bearing, send the code or dimensions by WhatsApp or email. We reply promptly and can suggest a compatible alternative if your code comes from another brand.
Dimensions
480 x 790 x 308 mm (d x D x B): boundary dimensions for basic designation 24196, according to ISO 15.
- Bore
- 480 mm
- Outside diameter (D)
- 790mm
- Width (B)
- 308mm
Same size, other brands
Other brands' pages with basic designation 24196: 480 x 790 x 308 mm (d x D x B) per ISO 15.
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
- NTN 24196BK30 bearing: what are its dimensions?
- NTN 24196BK30 measures 480 mm across the bore and 790 mm across the outside diameter; its width is 308 mm (480 x 790 x 308 mm). Those are the boundary dimensions standardized in ISO 15 for basic designation 24196.
- What does BK30 mean in the designation?
- B indicates a tapered bore and K30 specifies a 1:30 taper. This allows mounting on a tapered shaft and adjusting internal clearance through axial displacement, a common feature in spherical roller bearings for demanding applications.
- Can this bearing compensate for misalignment?
- Yes. Spherical roller bearings permit angular misalignment between shaft and housing, generally up to 1 to 2 degrees depending on design and operating conditions. That makes them suitable for long shafts or assemblies where perfect alignment is not possible.
- How do I request a quote for a specific size?
- Send the complete code or the measurements you need via WhatsApp or email. We quote promptly and can indicate a compatible alternative if you provide a code from another brand, so you get the correct bearing for your application.