Deep groove ball bearings are the most widely used type of rolling bearing. It is characterized by low frictional resistance and high rotational speed, and can be used on parts bearing radial loads or combined loads acting simultaneously in radial and axial directions, and can also be used on parts bearing axial loads.

Deep groove ball bearings are the most widely used type of rolling bearing. It is characterized by low frictional resistance and high rotational speed, and can be used on parts bearing radial loads or combined loads acting simultaneously in radial and axial directions, and can also be used on parts bearing axial loads.

Deep groove ball bearings consist of an outer ring, an inner ring, a set of steel balls and a set of cages. Generally, there are two types of structures: sealed and open. Open means that the bearing does not have a sealed structure. Sealed deep groove balls are divided into dust-proof seals and oil-proof seals. The material of the dust-proof sealing cover is stamped steel plate, which only serves to prevent dust from entering the bearing raceway. The oil-proof type is a contact oil seal, which can effectively prevent the grease in the bearing from overflowing.

Deep groove ball bearings can be used in gearboxes, instruments, motors, household appliances, internal combustion engines, transportation vehicles, agricultural machinery, construction machinery, construction machinery, roller skates, etc.

Deep groove ball bearings generally use steel stamping cages or brass solid cages. When the outer diameter is less than 400 mm, the steel stamping cage is used without the post code. When the outer diameter is greater than 400 mm, the brass solid cage is used without the post code.

Deep groove ball suffix meaning

CN: Common radial clearance; usually only used in combination with the following letters to indicate a narrower or offset clearance range H: Narrowed clearance range, equivalent to the upper half of the original clearance range

L: The narrowed clearance range is equivalent to the lower half of the original clearance range

P: The offset clearance range, which is equivalent to the composition of the upper half of the original clearance range and the lower half of the next set of clearance ranges

The above letters also apply to the corresponding meanings in combination with the following clearance groups: C2, C3, C4, and C5, such as C2

C2: Radial clearance is smaller than ordinary group

C3: Radial clearance is larger than ordinary group

C4: Radial clearance is greater than C3

C5: Radial clearance is greater than C4

DB: Two single row deep groove ball bearings paired back-to-back

DF: Two single row deep groove ball bearings mated face to face

DT: Two single row deep groove ball bearings paired in series

E: Enhanced Design

GJN: Polyurea based grease, NLGI consistency 2, temperature range -30 to +150 degrees (standard fill level)

GXN: Polyurea-based grease, NLGI consistency 2, temperature range -40 to +150 degrees (standard filling level)

J: Stamped steel cage

LHT23: Lithium-based grease, NLGI consistency 2, temperature range -50 to +140 degrees (standard filling level)

LT: Lithium-based grease, NLGI consistency 2, temperature range -55 to +110 degrees (standard fill level)

LT10: Lithium-based grease, NLGI consistency 2, temperature range -50 to +90 degrees (standard filling level)

M: Machined brass cage, guided by steel balls. Different designs and materials are marked with a number after M, such as M2

MA: Machined brass cage, outer ring guide

MB: Machined brass cage, inner ring guided

MT33: Lithium-based grease, NLGI consistency 3, temperature range -30 to +120 degrees (standard filling level)

MT47: Lithium-based grease, NLGI consistency 2, temperature range -30 to +110 degrees (standard fill level)

N: Outer ring with stop groove

NR: Outer ring with snap groove and snap ring

N1: There is a groove on the side of the outer ring (for matching the stop device to prevent the outer ring from rotating)

P5: Dimensional and rotational accuracy in accordance with ISO tolerance class 5

P6: Dimensional accuracy and rotational accuracy conform to ISO tolerance class 6

P52: P5+C2

P62: P6+C2

P63: P6+C3

RS1: Nitrile butadiene rubber (NBR) contact seal with steel skeleton on one side

RSH: Nitrile butadiene rubber (NBR) contact seal with steel frame on one side

RSL: Nitrile butadiene rubber (NBR) low friction sealing ring with steel frame on one side

RZ: Nitrile butadiene rubber (NBR) low friction sealing ring with steel frame on one side

TH: Fiber-reinforced phenolic resin cage (card type)

TN: Injection-molded nylon cage

TN9: Injection molded glass fiber reinforced nylon 6,6 cage

VL0241: The outer surface of the outer ring is coated with aluminum oxide, and the insulation capacity is up to 1000VDC

VL2071: The outer surface of the inner ring is coated with alumina, and the insulation capacity is up to 1000VDC

WT: Polyurea based grease, NLGI consistency 2, temperature range -40 to +160 degrees (standard fill level)

Y: Stamping copper cage

Z: One side with stamped steel dust cover

ZNR: The outer ring has a stop groove and a stop ring, and the other side of the stop groove has a stamped steel dust cover

2RS1: Nitrile-butadiene rubber (NBR) contact seal with steel skeleton on both sides

2RSH: Nitrile-butadiene rubber (NBR) contact seal with steel skeleton on both sides

2RSL: Nitrile butadiene rubber (NBR) low friction sealing ring with steel skeleton on both sides

2RZ: Nitrile butadiene rubber (NBR) low friction sealing ring with steel skeleton on both sides

2Z: stamped steel dust cover on both sides

2ZNR: Outer ring with snap groove and snap ring, with stamped steel dust caps on both sides

Common suffixes with ball notches:

C3: Radial clearance is larger than ordinary group

N: Outer ring with stop groove

NR: Outer ring with snap groove and snap ring

Z: One side with stamped steel dust cover

ZNR: The outer ring has a stop groove and a stop ring, and the other side of the stop groove has a stamped steel dust cover

2Z: stamped steel dust cover on both sides

2ZNR: Outer ring with snap groove and snap ring, with stamped steel dust caps on both sides

The meaning of stainless steel suffix:

R: Outer ring with flange

VT378: Non-toxic grease (accidentally contact with food raw materials)

2RS1: Nitrile butadiene rubber (NBR) contact seal with steel skeleton on both sides

2Z: stamped steel dust cover on both sides

2ZR: stamped steel dust cover on both sides and flanged outer ring

Luoyang Xinneng Bearing Manufacturing Co., Ltd., specializing in the production of 618/630MA, 618/710MA/C3, 618/1000MA C4, 618/1120MAC3, 618/1700MB/C3 and other medium and large thin-walled deep groove ball bearings

For more product information and technical support, please contact the Marketing Department of Luoyang Xinneng Bearing Manufacturing Co., Ltd. Tel: 0379-67308188 E-mail: sales@nebearing.com

Key words:

• Deep Groove Ball Bearing