23980-B-MB-C2 Double Row Spherical Roller Bearings, Symmetric 3 Ribs

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23980-B-MB-C2

Bore Diameter:400 mm

Outside Diameter:540 mm

Width:106 mm

Weight:71.7 kg

Min. Order:1 Piece

The 23980-B-MB-C2 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 23980-B-MB-C2 bearing is a Double row spherical roller bearings, symmetric 3 ribs with an inner diameter of 400 mm , an outer diameter of 540 mm, a width of 106 mm. GCr15, GCr15SiMn, SUJ2 rings, GCr15, SUJ2 rolling mlement. Its dynamic radial rated load is approximately 1829825 N, its static radial rated load is approximately 4149808 N. It uses C2 standard radial clearance, OPEN type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

400 mm

Outside Diameter:

540 mm

Thickness:

106 mm

Weight:

71.7 KG

Performance Data:

Dynamic load Capacity, Radial (Cr):

1829825

Static load Capacity, Radial (Cor):

4149808

Fatigue Load Limit, Radial:

279901

Reference speed (Grease rpm):

682

Limiting speed (Oil rpm):

1262

Specifications:

Old Designations:

23980B.MB.C2

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:

239..-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

23980-B-MB-C2 bearings have the advantages of Self-aligning, extremely high load-bearing capacity, thinnest cross-section, low friction, suitable for confined spaces, and are therefore widely used in the Large crushers, mills, and rotary kilns.

Part Number	23980-B-MB-C2
Design Type	B = with fixed central rib
Bore Type	Z = Cylindrical bore
RIC	C2
Row	2
Bearing Type	Double row spherical roller bearings, symmetric 3 ribs
Manufacturer Part Code	23980B.MB.C2
Cage	MB = Solid brass cage, guided on inner ring
Measurement	Metric
Seal type	OPEN
Relubrication	Standard
d φ Inside [inch]	15.748
D Φ Outside [inch]	21.260
B Width [inch]	4.173
n_B Reference speed (grease) [min^–1]	682
n_G Limiting speed (oil) [min^–1]	1262
Weight [kg]	71.7
r(min.) Chamfer [inch]	0.157
D₁ [inch]	19.646
d_s [inch]	0.374
n_s [inch]	0.697
C_r Radial Dynamic [lbf]	411344
C_0r Radial static [lbf]	932876
C_ur Radial Fatigue [lbf]	62921
Temperature - T(min)[°C]	-30
Temperature - T(max)[°C]	+200
Mounting dimensions
d_a(min.) [inch]	16.323
D_a(max.) [inch]	20.685
r_a(max.) [mm]	71.7
Calculation coefficient
e	0.18
Y₀	3.63
Y₁	3.71
Y₂	5.52

The 23980-B-MB-C2 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 23980-B-MB-C2 ( 71.7 kg Mass, ID: 400 mm OD: 540 mm WD: 106 mm , 239..-B-MB Series , 2 Rows , C2 Radial Clearance , GCr15, GCr15SiMn, SUJ2 Material , 1829825 Radial dynamic , 4149808 Radial static ), Just click the button " Contact Now " to mention your purchase Requirement , Quantity and Contact Method of your requested Bearing Item No. 23980-B-MB-C2. 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.

23980-B-MB-C2 Double Row Spherical Roller Bearings, Symmetric 3 Ribs

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