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013.40.1120 Slewing Bearing

013.40.1120 Internal Gear Crossed Roller Slewing Bearing | 998x1242x100mm

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013.40.1120 Technical Specifications

Bearing Type Single-row Four Point Angular Contact Ball Slewing Bearings
Gear Type Internal gear type
d (ID) 998mm
D (OD) 1242mm
B (Width) 100mm
Dynamic Load (Cr)
Static Load (Cor) 4430kN
Mass 300Kg
Material 50Mn integral forging, raceway quenched; GCr15 steel rollers
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 1198 mm
D2 1042 mm
dn1 dn2 22
dm1 dm2 M20
L 40 mm
n 36 mm

Structure dimensions

n1 6 mm
D1 1121 mm
d1 1118 mm
H1 90 mm
h 10 mm

Gear

b 80 mm Tooth width
m 80 Module
da 944 mm Tooth tip diameter of internal gear ring
z 95 Number of teeth of internal gear

Product Description

013.40.1120 is a single-row crossed roller slewing bearing with internal gear. It features 40mm diameter rollers and 1120mm 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 998mm inner diameter, 1242mm outer diameter, and 100mm 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

Rotary tables, Indexing equipment, Wind turbines, Medical equipment, Robotic turntables

Is 013.40.1120 suitable for heavy attachments or manual rotary tables?

Yes. Unlike ball bearings, the crossed roller design of 013.40.1120 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 013.40.1120?

We provide OEM customization for 013.40.1120, including gear type (external, internal, or gearless), mounting hole pattern, sealing arrangement, roller material, and surface protection according to your requirements.

Can 013.40.1120 replace other brands' crossed roller bearings?

Yes. 013.40.1120 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 013.40.1120?

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 013.40.1120?

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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