1212 ETN9

Inner diameter:
60 mm
Outer diameter:
110 mm
Width:
22 mm
Mass:
0.9 kg

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1212 ETN9

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Specifications

Seris - 1212 ETN9

Rolling element type : Ball
Measurement system : Metric
Precision level : P0(ABEC-1)
Bore : 60 mm
Outer diameter (D) : 110 mm
Width (B) : 22 mm
Mass : 0.9 kg
Basic dynamic load rating : 31.2 KN
Basic static load rating : 12.2 KN
Fatigue load limit (Pu) : 0.62 KN
Rated speed : 12000 rpm
Limiting speed : 8500 rpm
Shoulder diameter inner ring (d1,d2) : 78 mm
Shoulder diameter outer ring (D1,D2) : 95.6 mm
Protrusion of the balls from bearing side faces (C1) : -
Width annular lubrication groove at outer ring (b) : -
Diameter lubrication hole (outer ring) (K) : -
Chamfer dimension (r1,2) : 1.5 mm
Tapered bore : -
Load direction : Axial and radial
Rolling element material : 52100
Ring material : 52100
Inner diameter tolerance : 0 to -15 µm
Outer diameter tolerance : 0 to -15 µm
Width tolerance : 0 to -150 µm
Structures : Double row
Lubrication : Oil lubrication
Cage type : TN9
Temperature : -30° to +110 °C
Seal type : Open Type
1212 ETN9
Download 1212 ETN9 Drawing

Description

Bore, Outer diameter (D), Width (B), Mass, Basic dynamic load rating , Basic static load rating, Fatigue load limit (Pu), Rated speed , Limiting speed , Shoulder diameter inner ring (d1,d2), Shoulder diameter outer ring (D1,D2), Protrusion of the balls from bearing side faces (C1), Width annular lubrication groove at outer ring (b), Diameter lubrication hole (outer ring) (K), Chamfer dimension (r1,2), Tapered bore, Load direction, Rolling element material, Ring material, Inner diameter tolerance, Outer diameter tolerance, Width tolerance, Structures, Lubrication, Cage type,

QIBR - 1212 ETN9 Self-aligning Ball Bearings Advantages and Applications

1212 ETN9 Self-aligning Ball Bearings, low friction design, high flexibility, Bore is 60 mm，Outer diameter (D) is 110 mm，Width (B) is 22 mm，Mass is 0.9 kg, suitable for belt conveyors, fans, compressors and harvesters, etc., and is the most widely used bearing in working conditions requiring high flexibility.

Bore, Outer diameter (D), Width (B), Mass, Basic dynamic load rating , Basic static load rating, Fatigue load limit (Pu), Rated speed , Limiting speed , Shoulder diameter inner ring (d1,d2), Shoulder diameter outer ring (D1,D2), Protrusion of the balls from bearing side faces (C1), Width annular lubrication groove at outer ring (b), Diameter lubrication hole (outer ring) (K), Chamfer dimension (r1,2), Tapered bore, Load direction, Rolling element material, Ring material, Inner diameter tolerance, Outer diameter tolerance, Width tolerance, Structures, Lubrication, Cage type,

QIBR - 1212 ETN9 Self-aligning Ball Bearings Characteristics

1212 ETN9 Self-aligning Ball Bearings, reduce maintenance costs, simplify installation and maintenance. 1212 ETN9 Self-aligning Ball Bearings, can bear radial load and axial load at the same time, suitable for mechanical equipment requiring low friction.

1212 ETN9 Self-aligning Ball Bearing Features and Advantages

Accommodates 3-Degree Misalignment: Compensates for up to 3 degrees of static and dynamic misalignment.

Light Load Performance: Performs well under light loads with low load requirements.

Low Noise: The loose fit between the rolling elements and the outer ring generates low noise levels, making it especially suitable for household items like fans.

Extended Service Life: Exhibits high-speed performance with reduced heat and friction, prolonging its service life and minimizing maintenance.

Application: Widely used in industrial fans, industrial machinery, material handling, food and beverage, automotive components, pulp and paper industries, agricultural equipment, and mining machinery.

QIBR - 1212 ETN9 Self-aligning Ball Bearing Optimization

Radial Clearance:Can be supplied with CN or C3 group clearance, or customized clearance based on customer requirements.

Grease Replacement: Select lubrication based on bearing operating conditions, such as SKF LGEV 2 or Fuchs MOLY HD 0.

Cage Material: Select lubrication according to bearing working requirements, such as SKF LGMT 2, Timken GR217, or Shell Gadus S2 V220AC.

Further Customization: QIBR can design and optimize bearings according to customer drawings and operating conditions.

QIBR - 1212 ETN9 Self-aligning Ball Bearing Quality Control

Dimension measurement: Multiple high-precision instruments are used to measure various dimensions of the bearing, with an accuracy of up to 0.001mm.

Rotation accuracy: A dial gauge measures minor surface flaws or deviations, with measurement accuracy reaching 0.001mm.

Hardness measurement: The surface hardness of the bearing is measured using a hardness tester, with an accuracy of ±0.5HRC.

Metallographic analysis: The internal metallographic structure is analyzed using a professional metallographic microscope.

Geometric tolerance: A contour gauge measures the bearing's geometric shape and relative position.

Noise monitoring: A vibration meter monitors the vibration during operation to obtain noise data.

Raw material control: Steel and parts are sourced from ISO 14001-certified suppliers, ensuring product stability while promoting sustainable development.

Features & Benefits

Accommodate static and dynamic misalignment, excellent high-speed performance.
1212 ETN9
The outer ring is made of high-purity special high-quality bearing steel processed by high-speed forging + cold rolling process, and the raceway surface is carbonitrided.
Injection molded glass fiber reinforced nylon material
The inner ring is made of high-purity special high-quality bearing steel processed by high-speed forging + cold rolling process, and the raceway surface is carbonitrided.
Steel balls are G10 and above grade products, ensuring the steel ball material and processing accuracy.
Grease is for sealed bearing type, and anti-rust oil is for open-type bearings.

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