Miniature Deep Groove Ball Bearing 638 ZZ / 2Z 8x28x9 mm

For use in special conditions. The miniature ball bearing 638-ZZ / 2Z is small and suitable for installation with limited space and on thin shafts. It can withstand very high speeds. Main dimensions according to DIN 625-1.

Technical Data

Inside (mm):	8
Outside (mm):	28
Width (mm):	9
Tolerance for inside (mm):	0/-0,008
Tolerance for outside (mm):	0/-0,009
Tolerance for width (mm):	0/-0,12
Rows Of Balls:	single row
Seal:	ZZ
Internal Clearance:	CN (Standard)
Flange:	no
Slot & Snap Ring:	no
Ring Material:	Rolling bearing steel
Rolling Element Material:	Rolling bearing steel
Cage Material:	Sheet Steel
Sealing material:	Sheet Steel
Full Complement Ball Set:	no
Tolerance Class:	ABEC 1 / P0
Type of lubrication:	greased
Magnetic:	yes
Lifetime lubricated:	yes
Product weight:	0,0280 kg

Item number: 638-ZZ

If your demand is large, please contact us for quotation and delivery time.

Delivery time:3 to 7 business day

$ 1.12

pcs

Technical Scribble

Technical Data

Inside (mm):	8
Outside (mm):	28
Width (mm):	9
Tolerance for inside (mm):	0/-0,008
Tolerance for outside (mm):	0/-0,009
Tolerance for width (mm):	0/-0,12
Rows Of Balls:	single row
Seal:	ZZ
Internal Clearance:	CN (Standard)
Flange:	no
Slot & Snap Ring:	no
Ring Material:	Rolling bearing steel
Rolling Element Material:	Rolling bearing steel
Cage Material:	Sheet Steel
Sealing material:	Sheet Steel
Full Complement Ball Set:	no
Tolerance Class:	ABEC 1 / P0
Type of lubrication:	greased
Magnetic:	yes
Lifetime lubricated:	yes
Product weight:	0,0280 kg

Technical Scribble

Miniature Deep Groove Ball Bearing 638 ZZ / 2Z 8x28x9 mm

Technical Data

Technical Scribble

Technical Data

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