23056BMB Spherical Roller Bearings With Central Rib Cylindrical Bore

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23056BMB

Bore Diameter:280 mm

Outside Diameter:420 mm

Width:106 mm

Weight:52.9 kg

Min. Order:1 Piece

The 23056BMB 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 23056BMB bearing is a Spherical roller bearings With central rib Cylindrical bore with an inner diameter of 280 mm , an outer diameter of 420 mm, a width of 106 mm. GCr15, GCr15SiMn, SUJ2 rings, GCr15, SUJ2 rolling mlement. Its dynamic radial rated load is approximately 1559941 N, its static radial rated load is approximately 2999932 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:

420 mm

Thickness:

106 mm

Weight:

52.9 KG

Performance Data:

Dynamic load Capacity, Radial (Cr):

1559941

Static load Capacity, Radial (Cor):

2999932

Fatigue Load Limit, Radial:

155923

Reference speed (Grease rpm):

1081

Limiting speed (Oil rpm):

1291

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:

230..-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

23056BMB bearings have the advantages of Small cross-section, high load-bearing capacity, self-aligning, and low friction, and are therefore widely used in the Gearbox, motor, space-constrained transmission components.

Part Number	23056BMB
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	23056BMB
Cage	MB = Solid brass cage, guided on inner ring
Measurement	Metric
d φ Inside [inch]	11.024
D Φ Outside [inch]	16.535
B Width [inch]	4.173
n_B Reference speed (grease) [min^–1]	1081
n_G Limiting speed (oil) [min^–1]	1291
Weight [kg]	52.9
r(min.) Chamfer [inch]	0.157
D₁ [inch]	14.823
d_s [inch]	0.374
n_s [inch]	0.697
C_r Radial Dynamic [lbf]	350674
C_0r Radial static [lbf]	674384
C_ur Radial Fatigue [lbf]	35051
Temperature - T(min)[°C]	-30
Temperature - T(max)[°C]	+200
Mounting dimensions
d_a(min.) [inch]	11.598
D_a(max.) [inch]	15.961
r_a(max.) [mm]	52.9
Calculation coefficient
e	0.25
Y₀	2.68
Y₁	2.74
Y₂	4.08

The 23056BMB 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 23056BMB ( 52.9 kg Mass, ID: 280 mm OD: 420 mm WD: 106 mm , 230..-B-MB Series , 2 Rows , CN Radial Clearance , GCr15, GCr15SiMn, SUJ2 Material , 1559941 Radial dynamic , 2999932 Radial static ), Just click the button " Contact Now " to mention your purchase Requirement , Quantity and Contact Method of your requested Bearing Item No. 23056BMB. 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.

23056BMB Spherical Roller Bearings With Central Rib Cylindrical Bore

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