SKF Bearing C 3996 M

Product description of SKF Bearing C 3996 M

SKF Bearing C 3996 M, it belongs to SKF Bearing > Rolling bearings > Roller bearings > CARB toroidal roller bearings. CARB toroidal roller bearings are unique: as well as accommodating misalignment without increased stress levels, they also provide friction-less axial movement within the bearing in the non-locating position in self-aligning bearing arrangements. They can accommodate higher load levels and provide significantly extended service life.
SKF Bearing C 3996 M, The SKF standard assortment of CARB toroidal roller bearings matches the assortment of spherical roller bearings. It also includes bearings with a low cross-sectional height to meet requirements for minimum radial space. All CARB bearings are upgraded SKF Explorer bearings and are shown coloured blue in the product table. The standard assortment includes:
basic design bearings with cylindrical or tapered bore
taper 1:12 (designation suffix K)
taper 1:30 (designation suffix K30)
sealed bearings

SKF Bearing C 3996 M, Depending on their series and size the following open CARB thyroidal roller bearings are available as standard:
bearings with a roller centred cage
bearings with an inner ring centred cage
full complement bearings with a retaining ring
The load carrying capacity of full complement CARB bearings is considerably higher than that of same-sized bearings with a cage.
are available, as standard, as small and medium-size full complement bearings with a cylindrical bore
are typically used for low speeds and very heavy loads
are suitable for both inner or outer ring rotation
are fitted with a double-lip contact seal on one or both sides in a recess on the outer ring, sealing against the inner ring raceway

are available with two different seal materials / designs:
sheet steel reinforced HNBR
sheet steel reinforced NBR with enhanced sealing effectiveness - mainly intended for oscillating or very low speed applications

Bearings sealed on both sides are lubricated for the life of the bearing and are virtually maintenance-free. They are filled with one of the following greases:
bearings with HNBR seals → SKF LGHB 2 grease as standard
bearings with NBR seals → SKF LGEP 2 grease as standard
other SKF greases on request

CARB bearings, if not full a complement of rollers, are fitted with one of the following cages:
glass fibre reinforced PA46 cage, window-type, roller centred (designation suffix TN9)
stamped steel cage, window-type, roller centred (no designation suffix)
machined brass cage, window-type, roller centred (designation suffix M)
machined brass cage, inner ring centred (designation suffix MB)
When used at high temperatures, some lubricants can have a detrimental effect on polyamide cages. For additional information about the suitability of cages, refer to Cages.

SKF can customize bearings to meet the needs of applications where the bearings are subjected to unique operating conditions. For example, bearings for:
paper mills or coasters in high precision execution
very arduous operating conditions, e.g. continuous casters
high temperature applications

For additional information about application-specific CARB bearings, contact the SKF application engineering service.

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