23256-MB-C4 Double Row Spherical Roller Bearings, Symmetric 2 Outer Ribs With Rib Washer

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23256-MB-C4

Bore Diameter:280 mm

Outside Diameter:500 mm

Width:176 mm

Weight:147.205 kg

Min. Order:1 Piece

The 23256-MB-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 23256-MB-C4 bearing is a Double row spherical roller bearings, symmetric 2 outer ribs with rib washer with an inner diameter of 280 mm , an outer diameter of 500 mm, a width of 176 mm. GCr15, GCr15SiMn, SUJ2 rings, GCr15, SUJ2 rolling mlement. Its dynamic radial rated load is approximately 3549828 N, its static radial rated load is approximately 5199814 N. It uses C4 standard radial clearance, OPEN type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

280 mm

Outside Diameter:

500 mm

Thickness:

176 mm

Weight:

147.205 KG

Performance Data:

Dynamic load Capacity, Radial (Cr):

3549828 N

Static load Capacity, Radial (Cor):

5199814 N

Fatigue Load Limit, Radial:

394929 N

Reference speed (Grease rpm):

609

Limiting speed (Oil rpm):

1258

Specifications:

Old Designations:

23256MBC4

Structure:

Spherical Roller Bearings

Number of Rows:

Radial Clearance Trade No.:

Bearing Material:

GCr15, GCr15SiMn, SUJ2

Cage Type:

MB1 = Solid brass cage, guided on inner ring

Seals Type:

OPEN

Rolling Mlement Material:

GCr15, SUJ2

Bore Type:

Z = Cylindrical bore

Operating Temperature:

-30 to +200 °C

System of Measurement:

Metric

Series:

232..-BEA-XL-MB1

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

23256-MB-C4 bearings ( 280 mm x 500 mm x 176 mm) have the advantages of Self-aligning, extremely high load-bearing capacity, thinnest cross-section, low friction, suitable for confined spaces, and are therefore widely used in the Large crushers, mills, and rotary kilns.

Part Number	23256-MB-C4
Design Type	BEA = with lose center lip ring
Bore Type	Z = Cylindrical bore
RIC	C4
Row	2
Bearing Type	Double row spherical roller bearings, symmetric 2 outer ribs with rib washer
Manufacturer Part Code	23256-BEA-MB1-C4
Equivalent	23256-E1A-MB1-C4 , 23256-MB-C4
Cage	MB1 = Solid brass cage, guided on inner ring
Measurement	Metric
Seal type	OPEN
Relubrication	Standard
d φ Inside [inch]	11.024
D Φ Outside [inch]	19.685
B Width [inch]	6.929
n_B Reference speed (grease) [min^–1]	609
n_G Limiting speed (oil) [min^–1]	1258
Weight [kg]	147.205
r(min.) Chamfer [inch]	0.197
D₁ [inch]	16.748
d_s [inch]	0.492
n_s [inch]	0.925
C_r Radial Dynamic [lbf]	798001
C_0r Radial static [lbf]	1168918
C_ur Radial Fatigue [lbf]	88780
Temperature - T(min)[°C]	-30
Temperature - T(max)[°C]	+200
Mounting dimensions
d_a(min.) [inch]	11.811
D_a(max.) [inch]	18.898
r_a(max.) [mm]	147.205
Calculation coefficient
e	0.34
Y₀	1.92
Y₁	1.96
Y₂	2.92

The 23256-MB-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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High quality 23256-MB-C4 ( 147.205 kg Mass, ID: 280 mm OD: 500 mm WD: 176 mm , 232..-BEA-XL-MB1 Series , 2 Rows , C4 Radial Clearance , GCr15, GCr15SiMn, SUJ2 Material , 3549828 Radial dynamic , 5199814 Radial static ), Just click the button " Contact Now " to mention your purchase Requirement , Quantity and Contact Method of your requested Bearing Item No. 23256-MB-C4. then click the button " Send " The web site will make your purchasing information sent to the supplier's mailbox, who will come to contact you upon they get your information at the first time.

23256-MB-C4 Double Row Spherical Roller Bearings, Symmetric 2 Outer Ribs With Rib Washer

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