21314-E1-C4 Double Row Spherical Roller Bearings, Main Dimensions To DIN 635-2

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21314-E1-C4

Bore Diameter:70 mm

Outside Diameter:150 mm

Width:35 mm

Weight:3.072 kg

Min. Order:1 Piece

The 21314-E1-C4 Double-row spherical roller bearings are suitable for heavy-load, impact, and eccentric conditions. Classic applications include vibrating screen exciters, crushers, fans, paper machine press rolls, mining conveyor equipment, and marine propulsion shafts.

The 21314-E1-C4 bearing is a Double row spherical roller bearings, main dimensions to DIN 635-2 with an inner diameter of 70 mm , an outer diameter of 150 mm, a width of 35 mm. GCr15, GCr15SiMn, SUJ2 rings, GCr15, SUJ2 rolling mlement. Its dynamic radial rated load is approximately 249826 N, its static radial rated load is approximately 269803 N. It uses C4 standard radial clearance, OPEN type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

70 mm

Outside Diameter:

150 mm

Thickness:

35 mm

Weight:

3.072 KG

Performance Data:

Dynamic load Capacity, Radial (Cr):

249826

Static load Capacity, Radial (Cor):

269803

Fatigue Load Limit, Radial:

34445

Reference speed (Grease rpm):

3922

Limiting speed (Oil rpm):

6178

Specifications:

Structure:

Spherical Roller Bearings

Number of Rows:

Radial Clearance Trade No.:

Bearing Material:

GCr15, GCr15SiMn, SUJ2

Cage Type:

JPA = Stamping steel cage

Seals Type:

OPEN

Rolling Mlement Material:

GCr15, SUJ2

Bore Type:

Z = Cylindrical bore

System of Measurement:

Metric

Series:

213..-E1

Rolling Element:

symmetrical rollers

Transaction Information:

Transport Package:

Standard Export Package

Service:

7*24 hour

Shipping Ways:

by Sea or Air

Country of Origin:

china

Stock:

10 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

21314-E1-C4 bearings have the advantages of Self-aligning, high load-bearing capacity, impact resistant, and adaptable to heavy loads, and are therefore widely used in the Gearboxes, drive shafts, conveying equipment, general machinery.

Part Number	21314-E1-C4
Design Type	E1 = without central rip
Bore Type	Z = Cylindrical bore
RIC	C4
X-Life	XL long life design
Row	2
Bearing Type	Double row spherical roller bearings, main dimensions to DIN 635-2
Manufacturer Part Code	21314-E1-C4
Original Code	21314-E1-C4
Cage	JPA = Stamping steel cage
Measurement	Metric
Seal type	OPEN
Relubrication	Standard
d φ Inside [inch]	2.756
D Φ Outside [inch]	5.905
B Width [inch]	1.378
n_B Reference speed (grease) [min^–1]	3922
n_G Limiting speed (oil) [min^–1]	6178
Weight [kg]	3.072
r(min.) Chamfer [inch]	0.083
D₁ [inch]	4.968
d₂ [inch]	3.736
d_s [inch]	0.126
n_s [inch]	0.256
C_r Radial Dynamic [lbf]	56160
C_0r Radial static [lbf]	60651
C_ur Radial Fatigue [lbf]	7743
Temperature - T(min)[°C]	-30
Temperature - T(max)[°C]	+200
Mounting dimensions
d_a(min.) [inch]	3.228
D_a(max.) [inch]	5.433
r_a(max.) [mm]	3.072
Calculation coefficient
e	0.22
Y₀	3.07
Y₁	3.14
Y₂	4.67

The 21314-E1-C4 Double-row spherical roller bearings mainly consist of an inner ring, an outer ring, two rows of spherical rollers, a cage, and seals. The outer ring raceway has a spherical structure, while the inner ring has a double-row raceway. The rollers and raceways are logarithmically curved. The cage is typically made of stamped steel or machined brass.

Double-row spherical roller bearings possess excellent self-aligning properties, compensating for shaft deflection, installation errors, and misalignment. They can simultaneously withstand radial loads and bidirectional axial loads, exhibiting extremely high load-bearing capacity and strong impact resistance. Furthermore, the internal clearance can be optimized for vibration conditions, effectively reducing frictional temperature rise.

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21314-E1-C4 Double Row Spherical Roller Bearings, Main Dimensions To DIN 635-2

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