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Downward Ball Rollers - Hex Head Screw Type

Dimension Drawing

BRDHDownward Ball Rollers - Hex Head Screw Type寸法図



M (Coarse)
Nominal of Thread

Unit : mm

Part Number M (Coarse)
Nominal of Thread
Pitch L L1 s Db B Withstand Load (N) Qty per Pack Mass
CAD Standard
BRDH-12 M12 1.75 20 21 5 15.88 24 900 1 92 79.63 CAD Cart
BRDH-16 M16 2 25 25 6 19.05 30 1100 1 175 86.39 CAD Cart
BRDH-20 M20 2.5 30 34 8 25.4 38 1200 1 375 100.04 CAD Cart

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Main Body S45C
Electroless Nickel Plating
Main Ball SUJ2(Hardness 55HRC or Higher)
Sub Ball SUJ2(Hardness 55HRC or Higher)
Strike Plate SCM415(Hardness 50 HRC or Higher)
Dustproof Seal Felt


FPD production equipment, semiconductor devices,
food production lines, and packaging lines


  • These ball rollers can be used in downward and sideward applications such as with casters of push carts for transport.
  • The dustproof seal prevents the ingress of dirt and dust.
  • The body, main ball, and sub-balls are made of steel. These rollers have excellent durability.

Related Products

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BRDHDownward Ball Rollers - Hex Head Screw Type

Ball Rollers with Spring Plunger Function

BRDHDownward Ball Rollers - Hex Head Screw Type

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