232/670-B-K-MB-C3 Spherical Roller Bearings With Central Rib Tapered Bore(K = Taper 1:12)

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232/670-B-K-MB-C3

Bore Diameter:670 mm

Outside Diameter:1220 mm

Width:438 mm

Weight:2240 kg

Min. Order:1 Piece

The 232/670-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 232/670-B-K-MB-C3 bearing is a Spherical roller bearings With central rib Tapered bore(K = taper 1:12) with an inner diameter of 670 mm , an outer diameter of 1220 mm, a width of 438 mm. GCr15, GCr15SiMn, SUJ2 rings, GCr15, SUJ2 rolling mlement. Its dynamic radial rated load is approximately 16299901 N, its static radial rated load is approximately 32499932 N. It uses C3 standard radial clearance, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

670 mm

Outside Diameter:

1220 mm

Thickness:

438 mm

Weight:

2240 KG

Performance Data:

Dynamic load Capacity, Radial (Cr):

16299901 N

Static load Capacity, Radial (Cor):

32499932 N

Fatigue Load Limit, Radial:

2149935 N

Reference speed (Grease rpm):

158

Limiting speed (Oil rpm):

429

Specifications:

Old Designations:

232/670BKMBC3

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:

K = Tapered bore (K = taper 1:12)

Operating Temperature:

-30 to +200 °C

System of Measurement:

Metric

Series:

232..-B-K-MB-C3

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

232/670-B-K-MB-C3 bearings ( 670 mm x 1220 mm x 438 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	232/670-B-K-MB-C3
Design drawing	2
Design Type	B = with fixed central rib
Bore Type	K = Tapered bore (K = taper 1:12)
RIC	C3
Row	2
Bearing Type	Spherical roller bearings With central rib Tapered bore(K = taper 1:12)
Manufacturer Part Code	232/670BKMBC3
Cage	MB = Solid brass cage, guided on inner ring
Measurement	Metric
d φ Inside [inch]	26.378
D Φ Outside [inch]	48.031
B Width [inch]	17.244
n_B Reference speed (grease) [min^–1]	158
n_G Limiting speed (oil) [min^–1]	429
Weight [kg]	2240
r(min.) Chamfer [inch]	0.472
D₁ [inch]	40.571
d_s [inch]	0.492
n_s [inch]	0.925
C_r Radial Dynamic [lbf]	3664217
C_0r Radial static [lbf]	7305984
C_ur Radial Fatigue [lbf]	483305
Temperature - T(min)[°C]	-30
Temperature - T(max)[°C]	+200
Mounting dimensions
d_a(min.) [inch]	28.268
D_a(max.) [inch]	46.142
r_a(max.) [mm]	2240
Calculation coefficient
e	0.37
Y₀	1.76
Y₁	1.8
Y₂	2.69

The 232/670-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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232/670-B-K-MB-C3 Spherical Roller Bearings With Central Rib Tapered Bore(K = Taper 1:12)

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