239/800-B-K-MB-C3 Double Row Spherical Roller Bearings, Main Dimensions To DIN 635-2

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239/800-B-K-MB-C3

Bore Diameter:800 mm

Outside Diameter:1060 mm

Width:195 mm

Weight:175 kg

Min. Order:1 Piece

The 239/800-B-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 239/800-B-K-MB-C3 bearing is a Double row spherical roller bearings, main dimensions to DIN 635-2 with an inner diameter of 800 mm , an outer diameter of 1060 mm, a width of 195 mm. GCr15, GCr15SiMn, SUJ2 rings, GCr15, SUJ2 rolling mlement. Its dynamic radial rated load is approximately 5899811 N, its static radial rated load is approximately 15099809 N. It uses C3 standard radial clearance, OPEN type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

800 mm

Outside Diameter:

1060 mm

Thickness:

195 mm

Weight:

175 KG

Performance Data:

Dynamic load Capacity, Radial (Cr):

5899811 N

Static load Capacity, Radial (Cor):

15099809 N

Fatigue Load Limit, Radial:

1029926 N

Reference speed (Grease rpm):

275

Limiting speed (Oil rpm):

559

Specifications:

Old Designations:

239/800BKMBC3

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

239/800-B-K-MB-C3 bearings ( 800 mm x 1060 mm x 195 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	239/800-B-K-MB-C3
Design Type	B = with fixed central rib
Bore Type	K = Tapered bore (taper 1:12)
RIC	C3
Row	2
Adapter sleeve	H39/800-HG
Bearing Type	Double row spherical roller bearings, main dimensions to DIN 635-2
Manufacturer Part Code	239/800BK.MB.C3
Equivalent	239/800BK.MB.C3
Withdrawal sleeve	AH39/800-H
Cage	MB = Solid brass cage, guided on inner ring
Measurement	Metric
Seal type	OPEN
Relubrication	Standard
d φ Inside [inch]	31.496
D Φ Outside [inch]	41.732
B Width [inch]	7.677
n_B Reference speed (grease) [min^–1]	275
n_G Limiting speed (oil) [min^–1]	559
Weight [kg]	175
r(min.) Chamfer [inch]	0.236
D₁ [inch]	38.728
d_s [inch]	0.492
n_s [inch]	0.925
C_r Radial Dynamic [lbf]	1326277
C_0r Radial static [lbf]	3394437
C_ur Radial Fatigue [lbf]	231527
Temperature - T(min)[°C]	-30
Temperature - T(max)[°C]	+200
Mounting dimensions
d_a(min.) [inch]	32.402
d_a(max.) [inch]	34.055
D_a(max.) [inch]	40.827
d_b(min.) [inch]	32.362
B_a(min.) [inch]	0.984
r_a(max.) [mm]	175
Calculation coefficient
e	0.17
Y₀	3.96
Y₁	4.05
Y₂	6.04

The 239/800-B-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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239/800-B-K-MB-C3 Double Row Spherical Roller Bearings, Main Dimensions To DIN 635-2

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