(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：2025-12-11
• Application:plastic molding,PVC,CNC,electric pump,printing machinery,Industrial equipment,agriculture,lathe,hydraulic control element,tube,chemical raw materials and reagents
• Similar models:KOYO 12175/12303 NTN 4T-12175/12303 ISO 12175/12303 Timken 12175/12303 CX 12175/12303 FBJ 12175/12303 AST 12175/12303 Timken 12175/12303-B
• 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
  30TAG002	30	51,75	16	NSK	Thrust Ball Bearings
  609-2RS	9	24	7	ZEN	Deep Groove Ball Bearings
  663/652	82,55	152,4	41,275	NSK	Tapered Roller Bearings
  7209 A-UD	45	85	38	CX	Angular Contact Ball Bearings
  7317DF	85	180	41	NTN	Angular Contact Ball Bearings
  GEH140HC	140	210	100	LS	Plain Bearings
  NA4914	70	100	30	INA	Needle Roller Bearings
  RASE2-3/16	55,563			INA	Bearing Units
  SCF45ES	45			SKF	Plain Bearings
  SMF137-TT	7	13	4	AST	Deep Groove Ball Bearings
  51326				FAG	THRUST BALL BEARINGS
  WE520	1.2500	2.5625	.7500	FED	DEEP GROOVE BALL BEARINGS
  MR-10-N			.7500	McGill	NEEDLE BEARINGS
  NUTR4090X	40	90	32	INA	NEEDLE BEARINGS
  FY5/8TF	.6250			SKF	PILLOW BLOCKS
  624	4	13	5	SKF	DEEP GROOVE BALL BEARINGS
  NCF-28/670V	670	820	88	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  95912	1.5000	2.1250	.7500	CONSOLIDATED	JOURNAL ROLLER ASSEMBLIES
  N-156M	280	460	63	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  TER-156V	215.50	179.10	28	CONSOLIDATED	TRIPLE RING TACONITE SEALS FOR SAF TYPE PILLOW BLOCKS