23944-S-K-MB-C3 Double Row Spherical Roller Bearings, Main Dimensions To DIN 635-2

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23944-S-K-MB-C3

Bore Diameter:220 mm

Outside Diameter:300 mm

Width:60 mm

Weight:12.015 kg

Min. Order:1 Piece

The 23944-S-K-MB-C3 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 23944-S-K-MB-C3 bearing is a Double row spherical roller bearings, main dimensions to DIN 635-2 with an inner diameter of 220 mm , an outer diameter of 300 mm, a width of 60 mm. GCr15, GCr15SiMn, SUJ2 rings, GCr15, SUJ2 rolling mlement. Its dynamic radial rated load is approximately 609805 N, its static radial rated load is approximately 1239804 N. It uses C3 standard radial clearance, OPEN type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

220 mm

Outside Diameter:

300 mm

Thickness:

60 mm

Weight:

12.015 KG

Performance Data:

Dynamic load Capacity, Radial (Cr):

609805 N

Static load Capacity, Radial (Cor):

1239804 N

Fatigue Load Limit, Radial:

73935 N

Reference speed (Grease rpm):

1432

Limiting speed (Oil rpm):

2579

Specifications:

Old Designations:

23944SKMBC3

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:

K = Tapered bore (taper 1:12)

Operating Temperature:

-30 to +200 °C

System of Measurement:

Metric

Series:

239..-K

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

23944-S-K-MB-C3 bearings ( 220 mm x 300 mm x 60 mm) 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	23944-S-K-MB-C3
Bore Type	K = Tapered bore (taper 1:12)
RIC	C3
Row	2
Adapter sleeve	H3944
Bearing Type	Double row spherical roller bearings, main dimensions to DIN 635-2
Manufacturer Part Code	23944SK.MB.C3
Equivalent	23944SK.MB.C3
Withdrawal sleeve	AH3944
Cage	MB = Solid brass cage, guided on inner ring
Measurement	Metric
Seal type	OPEN
d φ Inside [inch]	8.661
D Φ Outside [inch]	11.811
B Width [inch]	2.362
n_B Reference speed (grease) [min^–1]	1432
n_G Limiting speed (oil) [min^–1]	2579
Weight [kg]	12.015
r(min.) Chamfer [inch]	0.083
D₁ [inch]	10.921
d_s [inch]	0.248
n_s [inch]	0.480
C_r Radial Dynamic [lbf]	137084
C_0r Radial static [lbf]	278707
C_ur Radial Fatigue [lbf]	16620
Temperature - T(min)[°C]	-30
Temperature - T(max)[°C]	+200
Mounting dimensions
d_a(min.) [inch]	9.063
d_a(max.) [inch]	9.488
D_a(max.) [inch]	11.409
d_b(min.) [inch]	9.055
B_a(min.) [inch]	0.354
r_a(max.) [mm]	12.015
Calculation coefficient
e	0.18
Y₀	3.67
Y₁	3.76
Y₂	5.59

The 23944-S-K-MB-C3 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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23944-S-K-MB-C3 Double Row Spherical Roller Bearings, Main Dimensions To DIN 635-2

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