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RA

Thin Type
Separable Outer Ring
(Outer Dia. 80 - 226 mm)
A compact type similar to model RB with the thinner inner and outer rings. Optimal for locations requiring a light-weight and compact design.

Integrated outer/inner ring version, RAU, is also available
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Days to Ship Clear
Preload Clear
Inner Diameter (mm) Clear
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Outer Diameter (mm) Clear
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Dust Protection Seal Clear
Width (mm) Clear
In stock
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*Please contact THK if you need more than available quantity or out of stock items
Attributes Part Number Online Store
Unit Price (USD)
Quantity Days to Ship Item Total
Inner Diameter (mm): 80
Outer Diameter (mm): 96
Width (mm): 8
Dust Protection Seal: With Seal
Preload: No Preload
RA8008UUC0
Days to Ship: 3 - 4 weeks
Inner Diameter (mm): 80
Outer Diameter (mm): 96
Width (mm): 8
Dust Protection Seal: With Seal
Preload: Preloaded
RA8008UUCC0
Days to Ship: 3 - 4 weeks
Inner Diameter (mm): 90
Outer Diameter (mm): 106
Width (mm): 8
Dust Protection Seal: With Seal
Preload: Preloaded
RA9008UUCC0
Days to Ship: 1 - 3 days
Inner Diameter (mm): 100
Outer Diameter (mm): 116
Width (mm): 8
Dust Protection Seal: With Seal
Preload: No Preload
RA10008UUC0
Days to Ship: 3 - 4 weeks
Inner Diameter (mm): 140
Outer Diameter (mm): 156
Width (mm): 8
Dust Protection Seal: With Seal
Preload: No Preload
RA14008UUC0
Days to Ship: 3 - 4 weeks
Inner Diameter (mm): 180
Outer Diameter (mm): 206
Width (mm): 13
Dust Protection Seal: With Seal
Preload: No Preload
RA18013UUC0
Days to Ship: 3 - 4 weeks
Inner Diameter (mm): 200
Outer Diameter (mm): 226
Width (mm): 13
Dust Protection Seal: With Seal
Preload: No Preload
RA20013UUC0
Days to Ship: 3 - 4 weeks
Shaft diameter Model No. Main dimensions Shoulder height Basic load rating Mass
Inner diameter
d
Outer diameter
D
Roller pitch circle diameter
dp
Width B
B1
Greasing hole rmin ds
(max)
Dh
(min)
Radial
a b Dynamicrating
C
Staticrating
C0
mm mm mm mm mm mm mm mm mm kN kN kg
80RA8008809687820.80.583.590.56.3711.30.11
90RA90089010697820.80.593.5100.56.7612.40.12
100RA10008100116107820.80.5103.5110.57.1513.90.14
140RA14008140156147820.80.5143.5150.58.3319.10.19
180RA18013180206192132.51.60.818519924.549.80.68
200RA20013200226212132.51.60.820521925.854.70.71
For more detailed specifications, please download the Product Catalog with the link in the Downloads section of this product page.
Model Nominal shaft diameter (mm) Width of ring (mm) Seals*1 Radial clearance*2
RA 140 08 UU C0
RA 80 08 UU C0 : Positive Clearance
  90 13   CC0 : Preload
  100
  140
  180
  200

Note 1: Contamination protection seal UU is standard for Model RA Note 2: Radial Clearance

Units: µm
Pitch circle diameter of the roller (dp) (mm)CC0C0
AboveOr lessMin.Max.Min.Max.
5080–80015
80120–80015
120140–80015
140160–80015
160180–100020
180200 –100020
200225 –100020

The above selections are Online Store standards. If you need a selection that differs from the standard, please contact us at [email protected]