(dimensions in mm)

Bearing Type - Shielded

Bore Dia (d) - 7.0000

Outer Dia (D) - 26.0000

Width (B) - 9.0000

Radius (min) (rs) - 0.300

Dynamic Load Rating (Cr) - 3,879

Static Load Rating (Cor) - 1,586

Max Speed (Grease) (X1000 RPM) - 28

Max Speed (Oil) (X1000 RPM) - 34

Max. Shaft Shoulder Dia. Inner (Ui) - 13.9

Min. Housing Shoulder Dia., Outer (Uo) - 22.380

Ball Qty - 7

Ball Dia (Dw) - 4.7620

Weight (g) - 25.80

Precision - A1

Standard Clearance - K25

Material - Martensitic Stainless Steel

Also available in 52100 Chrome Steel

ABEC Grades 1, 3, 5, 7, and 9 are available. Also, the equivalent ISO classes.

Two metal shields = (ZZ), also available with a single metal shield = (Z).

• Model Number: 637HZZ
• Inner Diameter：7mm Outer Diameter：26mm Width：9mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-11
• Application:Industrial,boring bar boring bar,Doppler,raw material accessories,manual Tools,marine test,wire industry,plastic rolling,hook,special broaching machine,filter paper products
• Similar models:SKF W637/8R-2ZS KOYO 637ZZ SKF W637/8XR SKF W637/5X-2ZS FBJ 637ZZ SKF W637/8X SKF W637/2-2Z NSK 637 SKF W637/4XR KOYO F637ZZ
• BEARING POWER International Trading Co.,Ltd. specialize in 637HZZ products，there is large inventory of AST 637HZZ . We has been built up long-term cooperation with AST company, could make a bulk order of the 637HZZ Which AST 637HZZ is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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  6219	95	170	32	NACHI	Deep Groove Ball Bearings
  6230	150	270	45	FAG	Deep Groove Ball Bearings
  AST11 12560	125	130		AST	Plain Bearings
  7216C	80	140	26	NTN	Angular Contact Ball Bearings
  B71934-E-T-P4S	170	230	28	FAG	Angular Contact Ball Bearings
  BEAM 25/75/Z SQP60	25	75	28	SNFA	Thrust Ball Bearings
  F687H	7	14	3,5	AST	Deep Groove Ball Bearings
  K24X30X10TN	24	30		Timken	Needle Roller Bearings
  K4×7×7T2	4	7		NTN	Needle Roller Bearings
  K81218J	90,000	120,000		NTN	Thrust Roller Bearings
  N1011RSZTP	55	81	18	NSK	Cylindrical Roller Bearings
  QJ209	45	85	19	FBJ	Angular Contact Ball Bearings
  VKBA 3683				SKF	Wheel Bearings
  NJ213E	65	120	23	FAG	CYLINDRICAL ROLLER BEARINGS
  7602110TVP	110	200	38	FAG	ANGULAR CONTACT BALL SCREW SUPPORT BEARINGS
  TRTB611	6.0000	12.5000		RBC	TAPERED ROLLER THRUST BEARINGS
  KG250ARO	25.0000	27.0000	1.0000	KAYDON	ANGULAR CONTACT BALL BEARINGS
  220BC02	400	220	65	Torrington	DEEP GROOVE BALL BEARINGS
  23884	420	520	75	CONSOLIDATED	SPHERICAL ROLLER BEARINGS
  32916	80	110	20	CONSOLIDATED	TAPERED ROLLER BEARINGS