249/1180-B-MB Double Row Spherical Roller Bearings, Symmetric 3 Ribs

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249/1180-B-MB

Bore Diameter:1180 mm

Outside Diameter:1540 mm

Width:355 mm

Weight:1779 kg

Min. Order:1 Piece

The 249/1180-B-MB 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 249/1180-B-MB bearing is a Double row spherical roller bearings, symmetric 3 ribs with an inner diameter of 1180 mm , an outer diameter of 1540 mm, a width of 355 mm. GCr15, GCr15SiMn, SUJ2 rings, GCr15, SUJ2 rolling mlement. Its dynamic radial rated load is approximately 14699834 N, its static radial rated load is approximately 41999844 N. It uses CN standard radial clearance, OPEN type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

1180 mm

Outside Diameter:

1540 mm

Thickness:

355 mm

Weight:

1779 KG

Performance Data:

Dynamic load Capacity, Radial (Cr):

14699834

Static load Capacity, Radial (Cor):

41999844

Fatigue Load Limit, Radial:

2459912

Reference speed (Grease rpm):

Limiting speed (Oil rpm):

279

Specifications:

Old Designations:

249/1180BMB

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

Seals Type:

OPEN

Rolling Mlement Material:

GCr15, SUJ2

Bore Type:

Z = Cylindrical bore

System of Measurement:

Metric

Series:

249..-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

249/1180-B-MB bearings have the advantages of Self-aligning, high load-bearing capacity, and impact resistant, and are therefore widely used in the Mining machinery, metallurgical equipment, papermaking machinery, vibrating screens, wind turbines, and large industrial gearboxes.

Part Number	249/1180-B-MB
Design Type	B = with fixed central rib
Bore Type	Z = Cylindrical bore
RIC	CN
Row	2
Bearing Type	Double row spherical roller bearings, symmetric 3 ribs
Manufacturer Part Code	249/1180B.MB
Cage	MB = Solid brass cage, guided on inner ring
Measurement	Metric
Seal type	OPEN
Relubrication	Standard
d φ Inside [inch]	46.457
D Φ Outside [inch]	60.630
B Width [inch]	13.976
n_B Reference speed (grease) [min^–1]	80
n_G Limiting speed (oil) [min^–1]	279
Weight [kg]	1779
r(min.) Chamfer [inch]	0.295
D₁ [inch]	56.256
d_s [inch]	0.492
n_s [inch]	0.925
C_r Radial Dynamic [lbf]	3304522
C_0r Radial static [lbf]	9441564
C_ur Radial Fatigue [lbf]	552988
Temperature - T(min)[°C]	-30
Temperature - T(max)[°C]	+200
Mounting dimensions
d_a(min.) [inch]	47.559
D_a(max.) [inch]	59.527
r_a(max.) [mm]	1779
Calculation coefficient
e	0.22
Y₀	3.07
Y₁	3.14
Y₂	4.67

The 249/1180-B-MB 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 249/1180-B-MB ( 1779 kg Mass, ID: 1180 mm OD: 1540 mm WD: 355 mm , 249..-B-MB Series , 2 Rows , CN Radial Clearance , GCr15, GCr15SiMn, SUJ2 Material , 14699834 Radial dynamic , 41999844 Radial static ), Just click the button " Contact Now " to mention your purchase Requirement , Quantity and Contact Method of your requested Bearing Item No. 249/1180-B-MB. 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.

249/1180-B-MB Double Row Spherical Roller Bearings, Symmetric 3 Ribs

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