248/1500-B-MB-C4 Spherical Roller Bearings With Central Rib Cylindrical Bore

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248/1500-B-MB-C4

Bore Diameter:1500 mm

Outside Diameter:1820 mm

Width:315 mm

Weight:1660 kg

Min. Order:1 Piece

The 248/1500-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 248/1500-B-MB-C4 bearing is a Spherical roller bearings With central rib Cylindrical bore with an inner diameter of 1500 mm , an outer diameter of 1820 mm, a width of 315 mm. GCr15, GCr15SiMn, SUJ2 rings, GCr15, SUJ2 rolling mlement. Its dynamic radial rated load is approximately 12899931 N, its static radial rated load is approximately 44999933 N. It uses C4 standard radial clearance, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

1500 mm

Outside Diameter:

1820 mm

Thickness:

315 mm

Weight:

1660 KG

Performance Data:

Dynamic load Capacity, Radial (Cr):

12899931 N

Static load Capacity, Radial (Cor):

44999933 N

Fatigue Load Limit, Radial:

2389912 N

Limiting speed (Oil rpm):

220

Specifications:

Old Designations:

248/1500BMBC4

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:

248..-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

248/1500-B-MB-C4 bearings ( 1500 mm x 1820 mm x 315 mm) 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	248/1500-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	248/1500BMBC4
Cage	MB = Solid brass cage, guided on inner ring
Measurement	Metric
d φ Inside [inch]	59.055
D Φ Outside [inch]	71.653
B Width [inch]	12.402
n_G Limiting speed (oil) [min^–1]	220
Weight [kg]	1660
r(min.) Chamfer [inch]	0.295
D₁ [inch]	67.799
d_s [inch]	0.492
n_s [inch]	0.925
C_r Radial Dynamic [lbf]	2899904
C_0r Radial static [lbf]	10115984
C_ur Radial Fatigue [lbf]	537252
Temperature - T(min)[°C]	-30
Temperature - T(max)[°C]	+200
Mounting dimensions
d_a(min.) [inch]	60.157
D_a(max.) [inch]	70.551
r_a(max.) [mm]	1660
Calculation coefficient
e	0.15
Y₀	4.37
Y₁	4.47
Y₂	6.65

The 248/1500-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 248/1500-B-MB-C4 ( 1660 kg Mass, ID: 1500 mm OD: 1820 mm WD: 315 mm , 248..-B-MB-C4 Series , 2 Rows , C4 Radial Clearance , GCr15, GCr15SiMn, SUJ2 Material , 12899931 Radial dynamic , 44999933 Radial static ), Just click the button " Contact Now " to mention your purchase Requirement , Quantity and Contact Method of your requested Bearing Item No. 248/1500-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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