23156BMB Spherical Roller Bearings With Central Rib Cylindrical Bore

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23156BMB

Bore Diameter:280 mm

Outside Diameter:460 mm

Width:146 mm

Weight:99.5 kg

Min. Order:1 Piece

The 23156BMB 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 23156BMB bearing is a Spherical roller bearings With central rib Cylindrical bore with an inner diameter of 280 mm , an outer diameter of 460 mm, a width of 146 mm. GCr15, GCr15SiMn, SUJ2 rings, GCr15, SUJ2 rolling mlement. Its dynamic radial rated load is approximately 2359942 N, its static radial rated load is approximately 4399908 N. It uses CN standard radial clearance, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

280 mm

Outside Diameter:

460 mm

Thickness:

146 mm

Weight:

99.5 KG

Performance Data:

Dynamic load Capacity, Radial (Cr):

2359942

Static load Capacity, Radial (Cor):

4399908

Fatigue Load Limit, Radial:

240921

Reference speed (Grease rpm):

777

Limiting speed (Oil rpm):

1095

Specifications:

Structure:

Spherical Roller Bearings

Number of Rows:

Radial Clearance Trade No.:

Bearing Material:

GCr15, GCr15SiMn, SUJ2

Cage Type:

MB = Solid brass cage, guided on inner ring

Rolling Mlement Material:

GCr15, SUJ2

Bore Type:

Z = Cylindrical bore

System of Measurement:

Metric

Series:

231..-B-MB

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

23156BMB 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	23156BMB
Design drawing	2
Design Type	B = with fixed central rib
Bore Type	Z = Cylindrical bore
RIC	CN
Row	2
Bearing Type	Spherical roller bearings With central rib Cylindrical bore
Manufacturer Part Code	23156BMB
Cage	MB = Solid brass cage, guided on inner ring
Measurement	Metric
d φ Inside [inch]	11.024
D Φ Outside [inch]	18.110
B Width [inch]	5.748
n_B Reference speed (grease) [min^–1]	777
n_G Limiting speed (oil) [min^–1]	1095
Weight [kg]	99.5
r(min.) Chamfer [inch]	0.197
D₁ [inch]	15.803
d_s [inch]	0.374
n_s [inch]	0.697
C_r Radial Dynamic [lbf]	530514
C_0r Radial static [lbf]	989099
C_ur Radial Fatigue [lbf]	54159
Temperature - T(min)[°C]	-30
Temperature - T(max)[°C]	+200
Mounting dimensions
d_a(min.) [inch]	11.811
D_a(max.) [inch]	17.323
r_a(max.) [mm]	99.5
Calculation coefficient
e	0.32
Y₀	2.07
Y₁	2.12
Y₂	3.15

The 23156BMB 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 23156BMB ( 99.5 kg Mass, ID: 280 mm OD: 460 mm WD: 146 mm , 231..-B-MB Series , 2 Rows , CN Radial Clearance , GCr15, GCr15SiMn, SUJ2 Material , 2359942 Radial dynamic , 4399908 Radial static ), Just click the button " Contact Now " to mention your purchase Requirement , Quantity and Contact Method of your requested Bearing Item No. 23156BMB. 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.

23156BMB Spherical Roller Bearings With Central Rib Cylindrical Bore

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