JCB CROSSED ROLLER BEARING (HIWIN SERIES)

JCB crossed roller bearing (HIWIN series) is following five types:

CRBA SERIES OF  JCB CROSSED ROLLER BEARING (HIWIN SERIES) CRBA-WW    CRBA-NN

_CRBA is split outer ring type

_Outer Diameter is from 36 mm to 480 mm

_Inner Diameter is from 20 mm to 400 mm

_Accuracy class: P6,P5, P4, P2, D5(PD5),D4(PD4), D2(PD2)

_Seal Symbol: WW signifies seals on both sides. NN signifies the open type without seals. Both types have oil holes for lubrication.

_Axial internal clearance: C1 signifies positive clearance with less friction force, while C8 signifies negative clearance without back lash, which will result in an increase of friction force during unloading conditions.

CRBB SERIES of JCB CROSSED ROLLER BEARING (HIWIN SERIES) CRBB-WW    CRBB-NN

CRBB is split inner ring type

_Outer Diameter is from 55 mm to 480 mm

_Inner Diameter is from 30 mm to 400 mm

_Accuracy class: P5, P4, P2, D5(PD5),D4(PD4), D2(PD2)

_Seal Symbol: WW signifies seals on both sides. NN signifies the open type without seals. Both types have oil holes for lubrication.

_Axial internal clearance: C1 signifies positive clearance with less friction force, while C8 signifies negative clearance without back lash, which will result in an increase of friction force during unloading conditions.

CRBC SERIES OF JCB CROSSED ROLLER BEARING (HIWIN SERIES)  CRBC-WW    CRBC-NN

_CRBC is high rigidity type.

_Outer Diameter is from 36 mm to 480 mm

_Inner Diameter is from 20 mm to 400 mm

_Accuracy class: P6,P5, P4, P2, D5(PD5),D4(PD4), D2(PD2)

_Seal Symbol: WW signifies seals on both sides. NN signifies the open type without seals. Both types have oil holes for lubrication.

_Axial internal clearance: C1 signifies positive clearance with less friction force, while C8 signifies negative clearance without back lash, which will result in an increase of friction force during unloading conditions.

CRBD SERIES OF JCB CROSSED ROLLER BEARING (HIWIN SERIES)  CRBD-WW    CRBD-NN

_CRBD is split outer ring with mounting holes

_Outer Diameter is from 70 mm to 295 mm

_Inner Diameter is from 20 mm to 160 mm

_Accuracy class: P5, P4, P2

_Seal Symbol: WW signifies seals on both sides. NN signifies the open type without seals. Both types have oil holes for lubrication.

_Axial internal clearance: C1 signifies positive clearance with less friction force, while C8 signifies negative clearance without back lash, which will result in an increase of friction force during unloading conditions.

CRBE SERIES OF JCB CROSSED ROLLER BEARING (HIWIN SERIES)  CRBE-WW    CRBE-NN

_CRBE is high rigidity with mounting holes

_Outer Diameter is from 70 mm to 380 mm

_Inner Diameter is from 20 mm to 210 mm

_Accuracy class: P6,P5, P4

_Seal Symbol: WW signifies seals on both sides. NN signifies the open type without seals. Both types have oil holes for lubrication.

_Axial internal clearance: C1 signifies positive clearance with less friction force, while C8 signifies negative clearance without back lash, which will result in an increase of friction force during unloading conditions.

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