XSU080398 Crossed Roller Bearing

XSU080398 Crossed Roller Bearing

XSU080398 Crossed Roller Bearing designed for large-diameter, high-rigidity rotation. Ideal for robotics, CNC machines, and automation with customizable options.

 

XSU080398 Crossed Roller Bearing

Customization Options

Surface treatments, cage materials, and lubrication methods can be tailored to suit specific operating environments, from cleanroom robotics to outdoor heavy machinery.

Durability in Harsh Conditions

Precision grinding and optional anti-corrosion coatings extend service life, even in environments exposed to moisture, dust, or fluctuating temperatures.

Compact & Integrated Design

Despite its size, the bearing integrates mounting holes on both inner and outer rings, simplifying installation and eliminating the need for additional housings.

Application Range

Ideal for large industrial robots, CNC rotary tables, medical imaging systems, and aerospace platforms where accuracy, rigidity, and stability are essential.

Specifications:

Bearing Type

XSU Crossed Roller Bearing

Crossed Roller slewing Bearing without Gear

Type Code XSU080398
Dimension 360x435x25.4mm
Precision Grade P2,P4,P5,SP,P4A(UP)
Clearance C0, CC0, C1
Seals With double seals
Mounting hole (nB) 36
Chamfer (min) 2
Basic load rating(axial) Ca (kN) 106
Basic load rating(axial) C0a (kN) 590
Basic load rating (radial) Cr (kN) 68
Basic load rating (radial) Cor (kN) 236
Limit Speed (r/min) 96
Weight (kg) 7.8

More Models of XSU Crossed Roller Bearings

shaft diameter

Model number

Main dimensions (mm)

Basic load rating(axial)

Basic load rating (radial)

Limiting speed

weight

inner ring d

outer ring D

width B

nB

chamfer r(min)

①La

(DLi

Ca kN

Coa KN

Cr KN

Cor KN

r/min

Kg

130

XSU080168

130

205

25.4

12

1.1

190

145

66

240

42

96

227

3.3

150

XSU080188

150

225

25.4

16

1.1

210

165

71

275

46

110

203

3.7

180

XSU080218

180

255

25.4

20

1.1

240

195

77

315

49

127

175

4.3

220

XSU080258

220

295

25.4

24

1.5

280

235

84

375

54

151

148

5.1

280

XSU080318

280

355

25.4

28

1.5

340

295

93

465

59

185

120

6.3

360

XSU080398

360

435

25.4

36

2

420

375

106

590

68

236

96

7.8

Frequently Asked Questions (FAQ)

 

 

01.How does the integrated mounting design of the XSU080398 help installation?

Both the inner and outer rings of the XSU080398 are machined with precise mounting holes, eliminating the need for additional housings. This design reduces assembly time, increases structural stability, and ensures long-term alignment accuracy.

02.Does the XSU080398 require special maintenance?

With proper lubrication and surface treatment, the XSU080398 offers long service life and reduced maintenance needs. For harsh environments, optional coatings and sealing solutions are available to further enhance durability.

03.How does the XSU080398 improve positioning accuracy in large machines?

The crossed roller design ensures that radial, axial, and moment loads are absorbed simultaneously, reducing clearance and enhancing rotational precision, which is critical for CNC tables and robotic joints.

04.Can the XSU080398 be used in outdoor or corrosive environments?

Yes. With special coatings and stainless-steel cage options, the XSU080398 can withstand moisture, dust, or corrosive conditions, making it suitable for offshore machinery or aerospace ground systems.

05.What type of industries most often request custom versions of the XSU080398?

Heavy industries such as aerospace, defense, renewable energy, and medical imaging frequently require customized surface treatments, cage materials, or lubrication systems to meet unique operational challenges.

06.How does the XSU080398 improve long-term operational stability?

Its integrated mounting holes reduce the need for additional housings, minimizing misalignment risks over time. Combined with optimized surface treatments, the bearing delivers consistent rotation accuracy even after long service cycles.

 

Bearing type shaft diameter Main dimensions (mm) Basic load rating(axial) Basic load rating (radial) Limiting speed weight
inner ring outer ring width Mounting Holes Ca C0a Cr Cor    
d D B na kN kN kN kN r/min Kg
XSU080168 130 130 205 25.4 12 66 240 42 96 227 3.3
XSU080188 150 150 225 25.4 16 71 275 46 110 203 3.7
XSU080218 180 180 225 25.4 20 77 315 49 127 175 4.3
XSU080258 220 220 295 25.4 24 84 375 54 151 148 5.1
XSU080318 280 280 355 25.4 28 93 465 59 185 120 6.3
XSU080398 360 360 435 25.4 36 106 590 68 236 96 7.8

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