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010.25.400 Slewing Bearing

010.25.400 Gearless Crossed Roller Slewing Bearing | 307x493x70mm

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010.25.400 Technical Specifications

Bearing Type Single-row Four Point Angular Contact Ball Slewing Bearings
Gear Type No gear type
d (ID) 307mm
D (OD) 493mm
B (Width) 70mm
Dynamic Load (Cr)
Static Load (Cor) 960kN
Mass 55Kg
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 457 mm
D2 343 mm
dn1 dn2 18
dm1 dm2 M16
L 32 mm
n 24 mm

Structure dimensions

n1 2 mm
D1 401 mm
d1 399 mm
H1 60 mm
h 10 mm

Product Description

010.25.400 is a single-row crossed roller slewing bearing without gear (gearless). It features 25mm diameter rollers and 400mm raceway center circle diameter. The crossed roller design provides higher rigidity and moment load capacity compared to ball bearings. This model is driven by external chain or friction wheel. It measures 307mm inner diameter, 493mm outer diameter, and 70mm 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, Gearless design for external drive, Compact cross-section

Applications

Manual turntables, Conveyor systems, Welding positioners, Industrial platforms, Maintenance equipment

Is 010.25.400 suitable for heavy attachments or manual rotary tables?

Yes. Unlike ball bearings, the crossed roller design of 010.25.400 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 010.25.400?

We provide OEM customization for 010.25.400, including gear type (external, internal, or gearless), mounting hole pattern, sealing arrangement, roller material, and surface protection according to your requirements.

Can 010.25.400 replace other brands' crossed roller bearings?

Yes. 010.25.400 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.

How can I get a quotation for 010.25.400?

Please provide model number, quantity, gear type required (external/internal/none), and application details. We will respond with a factory-direct quotation within 24 hours.

What is the lead time for 010.25.400?

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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