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RA-C

Thin Type
Single Split Outer Ring
(Outer Dia. 50 - 226 mm)
The main dimensions are the same as that of model RA. Owing to its Single-split Outer Ring structure with a highly rigid outer ring, this model can be used for outer ring rotation as well while model RA is for inner ring rotation.

Integrated outer/inner ring version, RAU, is also available
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Shopping Options
Days to Ship Clear
Preload Clear
Inner Diameter (mm) Clear
  1. show 10 more show less
Outer Diameter (mm) Clear
  1. show 10 more show less
Dust Protection Seal 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): 150
Outer Diameter (mm): 166
Dust Protection Seal: With Seal
Preload: No Preload
RA15008CUUC0
Days to Ship: 3 - 4 weeks
Inner Diameter (mm): 150
Outer Diameter (mm): 166
Dust Protection Seal: With Seal
Preload: Preloaded
RA15008CUUCC0
Days to Ship: 3 - 4 weeks
Inner Diameter (mm): 160
Outer Diameter (mm): 186
Dust Protection Seal: With Seal
Preload: No Preload
RA16013CUUC0
Days to Ship: 3 - 4 weeks
Inner Diameter (mm): 160
Outer Diameter (mm): 186
Dust Protection Seal: With Seal
Preload: Preloaded
RA16013CUUCC0
Inner Diameter (mm): 180
Outer Diameter (mm): 206
Dust Protection Seal: With Seal
Preload: No Preload
RA18013CUUC0
Days to Ship: 3 - 4 weeks
Inner Diameter (mm): 180
Outer Diameter (mm): 206
Dust Protection Seal: With Seal
Preload: Preloaded
RA18013CUUCC0
Days to Ship: 3 - 4 weeks
Inner Diameter (mm): 190
Outer Diameter (mm): 216
Dust Protection Seal: With Seal
Preload: No Preload
RA19013CUUC0
Days to Ship: 3 - 4 weeks
Inner Diameter (mm): 190
Outer Diameter (mm): 216
Dust Protection Seal: With Seal
Preload: Preloaded
RA19013CUUCC0
Days to Ship: 3 - 4 weeks
Inner Diameter (mm): 200
Outer Diameter (mm): 226
Dust Protection Seal: With Seal
Preload: No Preload
RA20013CUUC0
Days to Ship: 3 - 4 weeks
Inner Diameter (mm): 200
Outer Diameter (mm): 226
Dust Protection Seal: With Seal
Preload: Preloaded
RA20013CUUCC0
Days to Ship: 3 - 4 weeks
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Model No. Main dimensions Shoulder height Basic load rating Mass
Inner diameterd Outer diameterD Roller pitch circle diameterdp WidthB B1 Greasing holed0 rmin ds(max) Dh(min) Radial
DynamicratingC StaticratingC0
mm mm mm mm mm mm mm mm kN kN kg
RA5008C50665781.50.553.560.55.17.190.08
RA6008C60766781.50.563.570.55.688.680.09
RA7008C70867781.50.573.580.55.989.80.1
RA8008C80968781.50.583.590.56.3711.30.11
RA9008C901069781.50.593.5100.56.7612.40.12
RA10008C10011610781.50.5103.5110.57.1513.90.14
RA11008C11012611781.50.5113.5120.57.45150.15
RA12008C12013612781.50.5123.5130.57.8416.50.17
RA13008C13014613781.50.5133.5140.57.9417.60.18
RA14008C14015614781.50.5143.5150.58.3319.10.19
RA15008C15016615781.50.5153.5160.58.8220.60.2
RA16013C1601861721320.816517923.344.90.59
RA18013C1802061921320.818519924.549.80.68
RA19013C1902162021320.819520924.951.50.69
RA20013C2002262121320.820521925.854.70.71
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) Model Seals*1 Radial clearance*2
RA 130 08 C UU C0
RA 50~200 08 C UU C0 : Positive Clearance
  13   CC0 : Preload

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

Units: µm
Pitch circle diameterof 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]