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013.25.315 Slewing Bearing

013.25.315 Internal Gear Four-Point-Contact Ball Slewing Bearing | 222x408x70mm

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013.25.315 Technical Specifications

Bearing Type Single-row Four Point Contact Ball Slewing Bearings
Gear Type Internal gear type
d (ID) 222mm
D (OD) 408mm
B (Width) 70mm
Dynamic Load (Cr)
Static Load (Cor) 760kN
Mass 43Kg
Material GCr15 steel balls, 50Mn/42CrMo rings, raceway hardened and precision ground
Cage Segmented brass or steel spacer blocks (optional per working condition)
Clearance Standard axial-radial play, custom play available on request
Precision P0 standard precision

Bolt Hole Diameter

D1 372 mm
D2 258 mm
dn1 dn2 18
dm1 dm2 M16
L 32 mm
n 20 mm

Structure dimensions

n1 2 mm
D1 316 mm
d1 314 mm
H1 60 mm
h 10 mm

Gear

b 50 mm Tooth width
m 50 Module
da 190 mm Tooth tip diameter of internal gear ring
z 40 Number of teeth of internal gear

Product Description

013.25.315 is a single-row four-point-contact ball slewing bearing with an internal gear. It features a 315mm raceway center circle diameter. Its gothic-arch four-point-contact raceway enables the bearing to accommodate bidirectional axial loads, radial loads and tilting moments within a single bearing structure. This model is driven by a pinion engaging with the internal teeth. The bearing measures 222mm in bore diameter, 408mm in outside diameter and 70mm in overall height. With stable rotation, comprehensive load capacity and easy maintenance, it is widely used in cranes, rotary platforms and heavy industrial equipment.

Key Features

Single-row four-point-contact ball design, Handles bidirectional axial, radial and tilting-moment loads, P0 precision standard, Segmented brass or steel spacer blocks, Internal gear for compact drive, Compact cross-section

Applications

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

What is four-point contact in 013.25.315 slewing bearing?

Four-point contact means that each steel ball can contact the inner and outer raceways at four points through the gothic-arch raceway geometry. This design allows a single bearing to accommodate bidirectional axial loads, radial loads and tilting moments.

Can 013.25.315 be customized or supplied as an OEM replacement?

Yes. We can manufacture 013.25.315 according to OEM drawings or technical requirements, including gear configuration, mounting hole pattern, sealing arrangement, material, heat treatment and other specifications. OEM replacement orders are also supported.

What is the minimum order quantity for 013.25.315?

The minimum order quantity is 1 piece. Mixed-model orders may be available depending on the total order quantity and shipment arrangement.

What is the lead time for 013.25.315?

The typical lead time is 10–20 days, depending on order quantity and production schedule.

Service

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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