230/900-B-MB-C4 Spherical Roller Bearings With Central Rib Cylindrical Bore

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230/900-B-MB-C4

Bore Diameter:900 mm

Outside Diameter:1280 mm

Width:280 mm

Weight:1280 kg

Min. Order:1 Piece

The 230/900-B-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 230/900-B-MB-C4 bearing is a Spherical roller bearings With central rib Cylindrical bore with an inner diameter of 900 mm , an outer diameter of 1280 mm, a width of 280 mm. GCr15, GCr15SiMn, SUJ2 rings, GCr15, SUJ2 rolling mlement. Its dynamic radial rated load is approximately 10999902 N, its static radial rated load is approximately 26499907 N. It uses C4 standard radial clearance, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

900 mm

Outside Diameter:

1280 mm

Thickness:

280 mm

Weight:

1280 KG

Performance Data:

Dynamic load Capacity, Radial (Cr):

10999902 N

Static load Capacity, Radial (Cor):

26499907 N

Fatigue Load Limit, Radial:

1619946 N

Reference speed (Grease rpm):

239

Limiting speed (Oil rpm):

391

Specifications:

Old Designations:

230/900BMBC4

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

Operating Temperature:

-30 to +200 °C

System of Measurement:

Metric

Series:

230..-B-MB-C4

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

230/900-B-MB-C4 bearings ( 900 mm x 1280 mm x 280 mm) 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	230/900-B-MB-C4
Design drawing	2
Design Type	B = with fixed central rib
Bore Type	Z = Cylindrical bore
RIC	C4
Row	2
Bearing Type	Spherical roller bearings With central rib Cylindrical bore
Manufacturer Part Code	230/900BMBC4
Cage	MB = Solid brass cage, guided on inner ring
Measurement	Metric
d φ Inside [inch]	35.433
D Φ Outside [inch]	50.394
B Width [inch]	11.024
n_B Reference speed (grease) [min^–1]	239
n_G Limiting speed (oil) [min^–1]	391
Weight [kg]	1280
r(min.) Chamfer [inch]	0.295
D₁ [inch]	46.114
d_s [inch]	0.492
n_s [inch]	0.925
C_r Radial Dynamic [lbf]	2472777
C_0r Radial static [lbf]	5957179
C_ur Radial Fatigue [lbf]	364163
Temperature - T(min)[°C]	-30
Temperature - T(max)[°C]	+200
Mounting dimensions
d_a(min.) [inch]	36.535
D_a(max.) [inch]	49.291
r_a(max.) [mm]	1280
Calculation coefficient
e	0.22
Y₀	3.07
Y₁	3.14
Y₂	4.67

The 230/900-B-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 230/900-B-MB-C4 ( 1280 kg Mass, ID: 900 mm OD: 1280 mm WD: 280 mm , 230..-B-MB-C4 Series , 2 Rows , C4 Radial Clearance , GCr15, GCr15SiMn, SUJ2 Material , 10999902 Radial dynamic , 26499907 Radial static ), Just click the button " Contact Now " to mention your purchase Requirement , Quantity and Contact Method of your requested Bearing Item No. 230/900-B-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.

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