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RKB ball bearings

The ball bearings (BBs) manufactured by RKB come in many designs, dimensions and series. They are conceived to withstand combined loads and high speeds, covering most requirements in a number of standard and special industrial applications. All RKB BBs are made from high quality materials and special heat treatments
for superior performance.
Available in single and double row con guration, in open or sealed version, they are low-maintenance, which makes them an irreplaceable cost-effective solution in many cases. For large size BBs, RKB can also apply Bainite Hardening Treatment (HB) and High Temperature Dimensional Stabilization (S) on rings and balls. The bearing dimensional and running accuracy conforms to ISO/ABMA/
GOST speci cations.

The ball bearings (BBs) manufactured by RKB come in many designs, dimensions and series. They are conceived to withstand combined loads and high speeds, covering most requirements in a number of standard and special industrial applications. All RKB BBs are made from high quality materials and special heat treatments for superior performance.
Available in single and double row con guration, in open or sealed version, they are low-maintenance, which makes them an irreplaceable cost-effective solution in many cases. For large size BBs, RKB can also apply Bainite Hardening Treatment (HB) and High Temperature Dimensional Stabilization (S) on rings and balls. The bearing dimensional and running accuracy conforms to ISO/ABMA/ GOST speci cations.
Deep groove ball bearings

RKB offers a wide range of deep grove ball bearings (DGBBs) in single row design (open, sealed or shielded), with proven performance in many industrial elds. Having optimized internal geometry, they can operate at high speeds, sustaining radial and axial loads in both directions and generating low friction.

RKB DGBBs are engineered to successfully respond to the most demanding application requirements, in terms of high speeds, heavy loads and low noise.

This is mainly due to the use of the best raw materials and manufacturing technology, that permit to deliver only premium deep groove ball bearings.

 

 

J type ball bearings

• One-piece inner and outer ring

• High strength two-piece pressed steel cage guided on balls (J)

• Execution suitable for high operating speeds 

• Available with snap ring groove in outer ring for axial location (N)

 

 

M type ball bearings

• One-piece inner and outer ring

• Two-piece machined brass cage guided on balls (M)

• Execution suitable for very high operating speeds

• Available with two-piece machined brass cage guided on inner ring (MB) or outer ring (MA)

• Available with axial lubrication grooves in the cage (S)

• Available with locating slot in outer ring for axial location (N1)

TN type ball bearings

• One-piece inner and outer ring

• Moulded glass  ber reinforced polyamide snap-in cage guided on balls (TN)

• Execution suitable for very high accelerations and operating speeds

 

ZZ type ball bearings

• One-piece inner and outer ring

• High strength two-piece pressed steel cage guided on balls (J)

• Two non-contacting steel shields at both sides (ZZ)

• Supplied already  lled with grease for maintenance free operations

• Shielded type to keep the grease inside the bearing without compromising the limiting speed

 

2RS type ball bearings

• One-piece inner and outer ring

• High strength two-piece pressed steel cage guided on balls (J)

• Two contacting rubber seals at both sides (2RS)

• Supplied already  lled with grease for maintenance free operations

• Sealed type to keep the grease inside the bearing and enhance contaminant exclusion