(dimensions in inches)

Bearing Type - Shielded

Bore Dia (d) - 0.1875

Outer Dia (D) - 0.3750

Width (B) - 0.1250

Radius (min) (rs) - 0.004

Dynamic Load Rating (Cr) - 136

Static Load Rating (Cor) - 49

Max Speed (Grease) (X1000 RPM) - 50

Max Speed (Oil) (X1000 RPM) - 60

Max. Shaft Shoulder Dia. Inner (Ui) - 0.2

Min. Housing Shoulder Dia., Outer (Uo) - 0.347

Ball Qty - 8

Ball Dia (Dw) - 0.0625

Weight (g) - 0.85

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: SR166ZZ
• Inner Diameter：4,7625mm Outer Diameter：9,525mm Width：3,175mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-22
• Application:construction machinery and equipment,bag machine,Vacuum generator,building decoration raw materials and accessories,marine test,pipe fittings Steel industry,large agricultural machinery,casting embedding,Automobile,Cylinder Type,CNC
• Similar models:AST SFR166-TT FBJ R166 AST SFRW166ZZ FBJ R166ZZ ZEN SR166 AST SR166ZZA0208 NTN R166Z ISB FR166 ISO R166ZZ NTN FLR166ZZ
• BEARING POWER International Trading Co.,Ltd. specialize in SR166ZZ products，there is large inventory of AST SR166ZZ . We has been built up long-term cooperation with AST company, could make a bulk order of the SR166ZZ Which AST SR166ZZ 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
  53215 + U 215	110	75	28,3	SKF	Thrust Ball Bearings
  AB40566	40	68	9	SNR	Deep Groove Ball Bearings
  BK1614	16	22	14	CX	Cylindrical Roller Bearings
  EB2.20.0752.200-1SPPN	678	864	92	ISB	Thrust Ball Bearings
  GE55ET/X	55	85	40	LS	Plain Bearings
  K18x22x10	18	22	10	ISO	Needle Roller Bearings
  KESTD3368LTF	33,338	68,263	22,225	KOYO	Tapered Roller Bearings
  L521949/L521910	107.950	146.050	21.433	NACHI	Tapered Roller Bearings
  NC6201	12	32	10	KOYO	Deep Groove Ball Bearings
  NJ2311-E-MA6	55	120	43	NKE	Cylindrical Roller Bearings
  NK30.5X50X16	30,500	50,000	16,000	NTN	Needle Roller Bearings
  NKIA5905A	25,000	42,000	23,000	NTN	Complex Bearings
  NX 35	35	47	30	CX	Complex Bearings
  RNA6910	58	72	40	KOYO	Needle Roller Bearings
  SC04B16ZZ	22,225	40,000	12,000	NTN	Deep Groove Ball Bearings
  AB-3	.1900		.3125	Aurora	ROD ENDS
  MM45BS75	45	75	15	FAF	ANGULAR CONTACT BALL SCREW SUPPORT BEARINGS
  22334CCJA/VA405	170	360	120	SKF	SPHERICAL ROLLER BEARINGS
  RF-830	3	8	3	NMB	DEEP GROOVE BALL BEARINGS
  5201-ZZNR	12	32	15.9	CONSOLIDATED	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS