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113.25.500 Crossed Roller Slewing Bearing

113.25.500 Internal Gear Crossed Roller Slewing Bearing | 398x602x75mm

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113.25.500 Technical Specifications

Bearing Type Single-Row Crossed Roller Slewing Bearings
Gear Type Internal gear type
d (ID) 398mm
D (OD) 602mm
B (Width) 75mm
Dynamic Load (Cr)
Static Load (Cor) 1040kN
Mass 80Kg
Material GCr15 bearing steel, raceway hardened and precision ground
Cage Segmented brass or steel cage (optional per working condition)
Clearance C3 standard clearance (C4 optional for high vibration)
Precision P0 standard precision

Bolt Hole Diameter

D1 566 mm
D2 434 mm
dn1 dn2 18
dm1 dm2 M16
L 32 mm
n 20 mm

Structure dimensions

n1 4 mm
D1 498 mm
d1 502 mm
H1 65 mm
h 10 mm

Gear

b 60 mm Tooth width
m 60 Module
da 629 mm Tooth tip diameter of internal gear ring
z 123 Number of teeth of internal gear

Product Description

113.25.500 is a single-row crossed roller slewing bearing with internal gear. It features 25mm diameter rollers and 500mm raceway center circle diameter. The crossed roller design provides higher rigidity and moment load capacity compared to ball bearings. This model is driven by a pinion inside the bearing ring. It measures 398mm inner diameter, 602mm outer diameter, and 75mm height. With stable rotation, high load capacity, and easy maintenance, it is widely used in cranes, rotary platforms, and heavy industrial equipment.

Key Features

Single-row crossed roller design, Higher rigidity than ball bearings, P0 precision standard, C3 internal clearance, Segmented brass or steel cage, Internal gear for compact drive, Compact cross-section

Applications

Heavy-duty construction machinery, Rotary tables, Indexing equipment, Wind turbines, Medical equipment

Is 113.25.500 suitable for heavy attachments or manual rotary tables?

Yes. Unlike ball bearings, the crossed roller design of 113.25.500 provides higher rigidity under impact loads and moment forces. It is widely used in excavator attachments, crane boom turntables, and heavy manual positioning tables where smooth rotation and durability matter more than micron-level precision.

What customization options are available for 113.25.500?

We provide OEM customization for 113.25.500, including gear type (external, internal, or gearless), mounting hole pattern, sealing arrangement, roller material, and surface protection according to your requirements.

Can 113.25.500 replace other brands' crossed roller bearings?

Yes. 113.25.500 can be manufactured as an interchangeable replacement for IKO, THK, SKF, Rothe Erde, and other crossed roller slewing bearings. Please share original drawing or part number for cross-reference.

What is the lead time for 113.25.500?

Standard sizes: 7-15 days. Custom orders (special gear, mounting holes, materials): 20-30 days depending on complexity and quantity.

Are you a trading company or a factory?

We are a professional bearing manufacturer in Wafangdian China, with stable quality and factory direct price.

Delivery & Service

Delivery Time

In-stock items: 3–5 working days; Bulk orders: 7–15 working days.

Shipping

Ocean Freight / Land Transport

Warranty

12-month warranty, extendable to 18 months.

Loading Port

Dalian Port or other nominated port

Packing

Export packing: tube + box + carton + wooden case

Order

Mixed models & small orders welcome

Image for reference only.

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