(dimensions in inches)

Bearing Type - Open

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 (Li) - 0.2

Min. Housing Shoulder Dia., Outer (Lo) - 0.3

Ball Qty - 8

Ball Dia (Dw) - 0.0625

Weight (g) - 0.81

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.

• Model Number: SR166
• Inner Diameter：4,7625mm Outer Diameter：9,525mm Width：3,175mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-22
• Application:Industrial,spectrometer,garden machinery,electromyography machine,gas turbine,reducer,extruder,Sensors,diagnostic test paper,Insect Capture,Gas turbine
• Similar models:SKF D/WR166R-2Z NTN R166Z FBJ R166 ZEN SFR166-2Z ZEN SFR166 ZEN FR166 AST SFRW166 NTN FLR166 NSK B25-166QPSZM NSK FR166ZZ
• BEARING POWER International Trading Co.,Ltd. specialize in SR166 products，there is large inventory of AST SR166 . We has been built up long-term cooperation with AST company, could make a bulk order of the SR166 Which AST SR166 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
  18200/18337	50,8	85,725	19,05	Timken	Tapered Roller Bearings
  21316 KCW33+AH316	80	170	39	ISO	Spherical Roller Bearings
  5303	17	47	22,2	NSK	Angular Contact Ball Bearings
  6209-2Z-N	45	85	19	NKE	Deep Groove Ball Bearings
  6580/6535	88,9	161,925	53,975	NSK	Tapered Roller Bearings
  7002HVUJ74	15	32	9	SNR	Angular Contact Ball Bearings
  7321C	105	225	49	KOYO	Angular Contact Ball Bearings
  EGBZ3216-E40	50,8	55,563	25,4	INA	Plain Bearings
  SE 686 ZZSTMSA7	6	13	5	KOYO	Deep Groove Ball Bearings
  UCS314D1	70,000	150,000	78	NTN	Deep Groove Ball Bearings
  USFL209	45			SNR	Bearing Units
  HM-3176+MS-3176	14	Tr 380x5	32	FAG	LOCKNUTS COMPLETE WITH LOCKING CLAMP
  RFM14	1.7500	4.2500	1.0625	FBC	CYLINDRICAL ROLLER BEARINGS
  14AK	85	150	28	RIV	DEEP GROOVE BALL BEARINGS
  3BK	15	42	13	RIV	DEEP GROOVE BALL BEARINGS
  NJ2315	75	160	55	STEYR	CYLINDRICAL ROLLER BEARINGS
  240RU51	240	390	55	Torrington	CYLINDRICAL ROLLER BEARINGS
  98824	1.3750	2.3750	1.5000	Hyatt	JOURNAL ROLLER ASSEMBLIES
  GSFT25	25	5.1250		SNR	THERMOPLASTIC PILLOW BLOCKS
  R-1810	.3125	.5000	.1562	CONSOLIDATED	DEEP GROOVE BALL BEARINGS