(dimensions in inches)

Bearing Type - Sealed

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 PTFE seals = (TT), also availble with a single PTFE seal = (T)

• Model Number:SR166-TT
• Inner Diameter：4,7625mm Outer Diameter：9,525mm Width：3,175mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-12
• Application:Dental Equipment,natural instruments,rolling machine,metallurgical mold,Switch,electromagnetic clutch,Pneumatic Actuator,Handling machinery and various industrial machinery,insect experimental analysis instrument,vertical processing,ignition system
• Similar models:NTN R166Z AST SFR166 NSK R166ZZ SNR AB41668 ISB FR166 ZEN FR166-2TS ISO FR166ZZ ZEN R166-2Z AST SR166ZZA0208 ZEN R166-2TS
• BEARING POWER International Trading Co.,Ltd. specialize in SR166-TT products，there is large inventory of AST SR166-TT . We has been built up long-term cooperation with AST company, could make a bulk order of the SR166-TT Which AST SR166-TT 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
  22340 KCW33+AH2340	200	420	138	ISO	Spherical Roller Bearings
  482/472	69,85	120	29,795	Fersa	Tapered Roller Bearings
  63216 ZZ	80	140	44,4	ISO	Deep Groove Ball Bearings
  BE243117ASY1B1	24	31	16,8	KOYO	Needle Roller Bearings
  BK2516	25	32	16	SKF	Needle Roller Bearings
  LM770949/LM770910	457,2	603,25	85,725	Timken	Tapered Roller Bearings
  NJ1028	140	210	33	ISO	Cylindrical Roller Bearings
  NK80/35R+IR70X80X35	70,000	95,000	35,000	NTN	Needle Roller Bearings
  NU3306	30	72	30,2	ISO	Cylindrical Roller Bearings
  QJ3/28	28,000	68,000	18,000	NTN	Angular Contact Ball Bearings
  R6	9,525	22,225	5,55752	AST	Deep Groove Ball Bearings
  SBR16UU	16	22,5		Samick	Linear Bearings
  5313-CFFG	65	140	58.7	MRC	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  HMV142E			93	SKF	HYDRAULIC NUTS
  XLS-17/8	1.8750	3.1875	.6250	HOFF	DEEP GROOVE BALL BEARINGS
  NF313E	65	140	33	SKF	CYLINDRICAL ROLLER BEARINGS
  319-S	95	200	45	MRC	DEEP GROOVE BALL BEARINGS
  RNA4911	80		25	Torrington	NEEDLE BEARINGS
  SSR-10-ZZ	.6250	1.3750	.3437	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  71822	110	140	16	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS