51209 Stamping Steel Cage, Bore 45 Mm, Axial Deep Groove Ball Bearings, Single Direction

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51209

Bore Diameter:45 mm

Outside Diameter:73 mm

Width:20 mm

Weight:0.279 kg

Min. Order:1 Piece

The 51209 Thrust ball bearings are widely used in various small and medium-sized equipment requiring axial load capacity, including: automotive steering systems, machine tool spindles, industrial gearboxes, crane hooks, centrifuges, and precision instruments.

The 51209 bearing is a Axial deep groove ball bearings, Single direction with an inner diameter of 45 mm , an outer diameter of 73 mm, a width of 20 mm. It typically uses PN (ABEC-1) grade precision tolerances and GCr15, GCr15SiMn rings, GCr15, GCr15SiMn rolling mlement. Its dynamic axial rated load is approximately 38859 N, its static axial rated load is approximately 79900 N. Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Interchange code: NSK 51209, NTN 51209, FAG 51209, SKF 51209, STEYR 51209, KOYO 51209, NACHI 51209, SNR 51209, RHP 51209,

Dimensions:

Inside Diameter:

45 mm

Outside Diameter:

73 mm

Thickness:

20 mm

Weight:

0.279 KG

Dynamic load Capacity, axial:

38859 N

Static load Capacity, axial:

79900 N

Fatigue Load Limit, Axial:

3528 N

Reference speed (Grease rpm):

6571

Limiting speed (Oil rpm):

4721

Specifications:

Old Designations:

8209

Structure:

Single direction thrust ball bearings

Number of Rows:

One

Precision Rating:

PN (ABEC-1)

Bearing Material:

GCr15, GCr15SiMn

Cage Type:

JP = Stamping steel cage

Seals Type:

Open

Rolling Mlement Material:

GCr15, GCr15SiMn

Bore Type:

Cylindrical bore

Operating Temperature:

-30 to 150 °C

System of Measurement:

Metric

Series:

512 series (512)

Rolling Element:

balls

Transaction Information:

Transport Package:

Standard Export Package

Service:

7*24 hour

Shipping Ways:

by Sea or Air

Country of Origin:

china

Stock:

200 Piece

Port:

Tianjin, Shanghai, Shenzhen, Guangzhou or Qingdao

Payment term:

by T/T in advance

Delivery time:

2-3 days for stock, 25-30 days for bulk production

Detailed description

51209 bearings ( 45 mm x 73 mm x 20 mm) have the advantages of Suitable for high-speed applications, capable of withstanding unidirectional axial loads, with low friction and easy installation, and are therefore widely used in the Machine tool spindles, automotive steering systems, pumps, industrial machinery and instruments.

Part Number	51209
Bearing Type	Axial deep groove ball bearings, Single direction
Interchangeable	FAG 51209
Cage	JP = Stamping steel cage
Accuracy class	PN (ABEC-1)
Series [lb]	512 series (512)
Bearing Mass - m	0.6151
Dimension
Inside - d φ [inch]	1.7717
Outside - D Φ [inch]	2.8740
Thickness - T [inch]	0.7874
D₁ [inch]	1.8504
d₁ [inch]	2.8740
chamfer - r(min.) [inch]	0.0394
Performance
Dynamic Axial - C_a [lbf]	8735
Static Axial - C_0a [lbf]	17961
Fatigue Axial - C_ua [lbf]	793
Speed ratings (grease) - n_B [min^–1]	6571
Speed ratings (oil) - n_G [min^–1]	4721
Mounting dimensions
d_a(min.) [inch]	2.4409
D_a(max.) [inch]	2.2047
r_a(max.) [inch]	0.0394
Minimum load coefficient
A	0.043

The 51209 Thrust ball bearings mainly consist of a shaft ring (which mates with the shaft), a housing ring (which mates with the bearing housing), steel balls, and a cage. They feature a separable design for easy installation and maintenance. Some models include dust covers or sealed structures.

Thrust ball bearings have high axial load capacity, are suitable for bearing pure axial loads, have high limiting speeds, low friction coefficients, and smooth operation. Their separable structure simplifies installation, results in a compact size, and minimizes space requirements.

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How can you buy 51209 Stamping Steel Cage, Bore 45 Mm, Axial Deep Groove Ball Bearings, Single Direction on the Internet?
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51209 Stamping Steel Cage, Bore 45 Mm, Axial Deep Groove Ball Bearings, Single Direction

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