(dimensions in inches)

Bearing Type - Shielded

Bore Dia (d) - 0.2500

Outer Dia (D) - 0.6250

Width (B) - 0.1960

Radius (min) (rs) - 0.002

Dynamic Load Rating (Cr) - 283

Static Load Rating (Cor) - 112

Max Speed (Grease) (X1000 RPM) - 38

Max Speed (Oil) (X1000 RPM) - 45

Max. Shaft Shoulder Dia. Inner (Ui) - 0.3

Min. Housing Shoulder Dia., Outer (Uo) - 0.534

Ball Qty - 8

Ball Dia (Dw) - 0.0937

Weight (g) - 4.54

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.

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

• Model Number: SR4ZZ
• Inner Diameter：6,35mm Outer Diameter：15,875mm Width：4,9784mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-22
• Application:Plastic molding,paint paint,Rolling mill gear box,drawing die,tooth filling,milling head plug,forming machine,education model Instruments,surgical instruments,Animal Tracking,Anesthetic Equipment
• Similar models:NSK 6018DDU NACHI 6009-2NSE NSK R8 AST 6208-2RS KOYO 6017NR SKF 4306ATN9 SKF YAT215-215 Timken 308KDG NTN 3TM-SX06C05NC3PX1? SKF 6300/HR22Q2
• BEARING POWER International Trading Co.,Ltd. specialize in SR4ZZ products，there is large inventory of AST SR4ZZ . We has been built up long-term cooperation with AST company, could make a bulk order of the SR4ZZ Which AST SR4ZZ 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.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  16011	55,000	90,000	11,000	NTN-SNR	Deep Groove Ball Bearings
  22215 EK + AH 315 G	130	70	31	SKF	Tapered Roller Bearings
  240KBE030	240	360	92	NACHI	Tapered Roller Bearings
  230/500RK	500	720	167	KOYO	Spherical Roller Bearings
  3316-2RS	80	170	68,3	ISO	Angular Contact Ball Bearings
  54305	20	52	37,6	FAG	Thrust Ball Bearings
  7414 A	70	180	42	ISO	Angular Contact Ball Bearings
  GE 110 SX	110	170	38	Enduro	Plain Bearings
  HR5E	5		5	NMB	Plain Bearings
  K47X52X29.8	47,000	52,000		NTN	Needle Roller Bearings
  LMEFP20LUU	20	32		Samick	Linear Bearings
  NN3006-AS-K-M-SP	30	55	19	INA	Cylindrical Roller Bearings
  RF172006	17	20	6	KOYO	Needle Roller Bearings
  RI1458-2Z	15,875	22,225	3,967	ZEN	Deep Groove Ball Bearings
  RNAF162812	16	28	12	NSK	Needle Roller Bearings
  NKI30/20	30	45	20	INA	NEEDLE BEARINGS
  19B	90	190	43	RIV	DEEP GROOVE BALL BEARINGS
  N-216	80	140	26	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  RLS-291/2	11.5000	18.0000	2.3750	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  NA-6907	35	55	36	CONSOLIDATED	NEEDLE BEARINGS