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RBI

Straight
With this Link Ball model, the high strength zinc alloy is used in its holder, and the mounting bolt and the holder are arranged on the same axis, allowing this model to receive an axial load. Since grease is contained in the boot, this model achieves high lubricity and high wear resistance.
*THK standard link balls are for machine applications only. The products listed below are not recommended for automotive applications.
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*Please contact THK if you need more than available quantity or out of stock items
Attributes Part Number Unit Price Quantity Days to Ship Item Total
Holder Thread Direction: Right-Hand
Thread Size (mm): M5 x 0.8
RBI 5D
Days to Ship: 2 - 3 weeks*
Holder Thread Direction: Left-Hand
Thread Size (mm): M5 x 0.8
RBI 5DL
Days to Ship: 2 - 3 weeks*
Holder Thread Direction: Right-Hand
Thread Size (mm): M6 x 1
RBI 6D
Days to Ship: 2 - 3 weeks*
Holder Thread Direction: Left-Hand
Thread Size (mm): M6 x 1
RBI 6DL
Days to Ship: 2 - 3 weeks*
Holder Thread Direction: Right-Hand
Thread Size (mm): M8 x 1.25
RBI 8D
Days to Ship: 2 - 3 weeks*
Holder Thread Direction: Left-Hand
Thread Size (mm): M8 x 1.25
RBI 8DL
Days to Ship: 2 - 3 weeks*
Holder Thread Direction: Right-Hand
Thread Size (mm): M10 x 1.5
RBI 10BD
Days to Ship: 1 - 3 days
Holder Thread Direction: Left-Hand
Thread Size (mm): M10 x 1.5
RBI 10BDL
Days to Ship: 2 - 3 weeks*
Holder Thread Direction: Right-Hand
Thread Size (mm): M10 x 1.25
RBI 10D
Days to Ship: 2 - 3 weeks*
Holder Thread Direction: Left-Hand
Thread Size (mm): M10 x 1.25
RBI 10DL
Days to Ship: 2 - 3 weeks*
Holder Thread Direction: Right-Hand
Thread Size (mm): M12 x 1.75
RBI 12BD
Days to Ship: 1 - 3 days
Holder Thread Direction: Left-Hand
Thread Size (mm): M12 x 1.75
RBI 12BDL
Days to Ship: 2 - 3 weeks*
Holder Thread Direction: Right-Hand
Thread Size (mm): M12 x 1.25
RBI 12D
Days to Ship: 2 - 3 weeks*
Holder Thread Direction: Left-Hand
Thread Size (mm): M12 x 1.25
RBI 12DL
Days to Ship: 2 - 3 weeks*
Holder Thread Direction: Right-Hand
Thread Size (mm): M14 x 2
RBI 14BD
Days to Ship: 2 - 3 weeks*
Holder Thread Direction: Left-Hand
Thread Size (mm): M14 x 2
RBI 14BDL
Days to Ship: 1 - 3 days
Holder Thread Direction: Right-Hand
Thread Size (mm): M14 x 1.5
RBI 14D
Days to Ship: 2 - 3 weeks*
Holder Thread Direction: Left-Hand
Thread Size (mm): M14 x 1.5
RBI 14DL
Days to Ship: 2 - 3 weeks*
Holder Thread Direction: Right-Hand
Thread Size (mm): M16 x 2
RBI 16BD
Days to Ship: 2 - 3 weeks*
Holder Thread Direction: Left-Hand
Thread Size (mm): M16 x 2
RBI 16BDL
Days to Ship: 2 - 3 weeks*
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Model No. Outer dimensions ThreadedS1JIS Class 2 Holder dimensions Ball shank dimensions Bootd5 Ball diameterDa Permissible tilt angles2θ° Applied static load Yield point strengthPk Mass
LengthL DiameterD L1 L2 l D1 D2 W0-0.3 d2h9 M1 M2±0.3 l1 W10-0.3 d4 TensileCs CompressiveCs
mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm degree N N N g
RBI5D4617M5×0.8241249119522118792011.11225569011400284025
RBI6D55.220M6×128155101311627.212.2118102012.725745014900373040
RBI8D6524M8×1.253216512.51614833161210122415.875251170023200588075
RBI10D74.528M10×1.2535186.51519171039.519.51511143019.052516800335008430120
RBI10BD80.528M10×1.535186.51519171045.519.52111143019.052516800335008430123
RBI12D8432M12×1.2540206.517.522191244211717193222.22525228004560011400185
RBI12BD9132M12×1.7540206.517.522191251212417193222.22525228004560011400190
RBI14D10336M14×1.545258202522145823.52217193825.417298005960014900275
RBI14BD10936M14×245258202522146423.52817193825.417298005960014900280
RBI16D11240M16×1.550278222722166225.52319224425.417298005960014900360
RBI16BD11840M16×250278222722166825.52919224425.417298005960014900370
For more detailed specifications, please download the Product Catalog with the link in the Downloads section of this product page.
Model Size Thread Boot Screw
RBI 16 B D  
RBI 5 No symbol : Fine thread1 D : With boot attached2 No symbol : Right-hand thread
  6 B : Coarse thread   L : Left-hand thread3
  8
  10
  12
  14
  16
Note 1: Fine thread for automotive applications Note 2: No model is available without a boot Note 3: Applies to holder unit, shank side is always right-handed thread