(dimensions in inches)

Bearing Type - single row assembly

Bore Dia (d) - 1.7500

Outer Dia (D) - 3.0312

Width (B) - 0.6875

Outer Width (Bo) - 0.4688

Inner Width (Bi) - 0.6750

Radius (min) (rs) - 0.059

Radius (min) (rs1) - 0.059

Weight (g) - 312.00

Material - 52100 chrome steel or equiavelent

The assembly part number lists the cone part number first and then the cup part number.

• Model Number: 12175/12303
• Inner Diameter：44,45mm Outer Diameter：77mm Width：17,4625mm
• Type：Tapered Roller Bearings
• Update date：2025-12-10
• Application:car,training beds etc,embroidery cloth,mechanical annex,vertical pull,screen filter,marine analysis,Machine tool accessories,relay,stamping die,container finishing
• Similar models:Timken 12175/12303-B NTN 4T-12175/12303 ISO 12175/12303 AST 12175/12303 FBJ 12175/12303 CX 12175/12303 KOYO 12175/12303 Timken 12175/12303
• BEARING POWER International Trading Co.,Ltd. specialize in 12175/12303 products，there is large inventory of AST 12175/12303 . We has been built up long-term cooperation with AST company, could make a bulk order of the 12175/12303 Which AST 12175/12303 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
  14139/14276	34,976	69,012	19,845	Timken	Tapered Roller Bearings
  22222 KCW33+AH3122	110	200	53	CX	Spherical Roller Bearings
  22313 KCW33+H2313	65	140	48	ISO	Spherical Roller Bearings
  31316-N11CA-A120-160	80	170	85	FAG	Tapered Roller Bearings
  AST090 25080	250	255		AST	Plain Bearings
  3NCHAC020CA	100	150	24	KOYO	Angular Contact Ball Bearings
  70BNR20HV1V	70	110	24	NSK	Angular Contact Ball Bearings
  7308-B	40	90	23	SIGMA	Angular Contact Ball Bearings
  FWF-263017	26	30		NSK	Needle Roller Bearings
  LL537649/10	184,15	236,538	26,192	CX	Tapered Roller Bearings
  NJ 2218 ECP	160	90	40	SKF	Thrust Ball Bearings
  NP3336	180	380	150	ISO	Cylindrical Roller Bearings
  R6-RS	9,525	22,225	7,142	CYSD	Deep Groove Ball Bearings
  RNA4905	30	42	17	Timken	Needle Roller Bearings
  UCC320-64	101,6		108	KOYO	Bearing Units
  NUP2238E	190	340	92	FAG	CYLINDRICAL ROLLER BEARINGS
  NU2016E	80	125	27	SKF	CYLINDRICAL ROLLER BEARINGS
  23980	400	540	106	Torrington	SPHERICAL ROLLER BEARINGS
  AS2035	20	35		Torrington	THRUST NEEDLE BEARINGS
  XW-20				CONSOLIDATED	THRUST BALL BEARINGS