d - 44,45 mm

D - 76,992 mm

T - 17,463 mm

B - 17,145 mm

C - 11,908 mm

a - 17,5 mm

r min. - 1,6 mm

r2 min. - 1,6 mm

da min. - 52 mm

Da - 68 mm

db min - 49,5 mm

ra max. - 1,6 mm

rb max. - 1,6 mm

Db - 73 mm

Weight - 0,303 Kg

Basic dynamic load rating (C) - 48,4 kN

Basic static load rating (C0) - 62,2 kN

(Grease) Lubrication Speed - 5000 r/min

(Oil) Lubrication Speed - 6600 r/min

Calculation factor (e) - 0,51

Calculation factor (Y0) - 0,65

Calculation factor (Y1) - 1,19

• Model Number: 12175/12303
• Inner Diameter：44,45mm Outer Diameter：76,992mm Width：17,463mm
• Type：Tapered Roller Bearings
• Update date：2025-12-10
• Application:tower crane,air shower etc,orthodontic material,fruit and vegetable processing,forming machine,food packaging,Special Equipment,historical instruments,Insect Capture,wall industry,transportation equipment
• Similar models:KOYO 12175/12303 FBJ 12175/12303 ISO 12175/12303 Timken 12175/12303-B AST 12175/12303 CX 12175/12303 Timken 12175/12303 NTN 4T-12175/12303
• BEARING POWER International Trading Co.,Ltd. specialize in 12175/12303 products，there is large inventory of KOYO 12175/12303 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 12175/12303 Which KOYO 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.

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  GEZM 500 ES-2LS	196,85	127	190,5	SKF	Plain Bearings
  BK4020	40	47	20	ISO	Cylindrical Roller Bearings
  BR 263520	41,275	55,562	31,75	IKO	Needle Roller Bearings
  DAC4168WHR4CS23	41	68	40	KOYO	Angular Contact Ball Bearings
  FR188	6,35	12,7	4,762	ISB	Deep Groove Ball Bearings
  FR2-6	3,175	9,525	2,779	ZEN	Deep Groove Ball Bearings
  GE60N	60	90	44	LS	Plain Bearings
  GX12S	12	35	13	FBJ	Plain Bearings
  MF74	4	8,2	2	NSK	Deep Groove Ball Bearings
  NJ230EM	150,000	270,000	45,000	SNR	Cylindrical Roller Bearings
  SF3806	190,000	255,000	33,000	NTN	Angular Contact Ball Bearings
  22330EAS.MA.C4.T41A	150	320	108	FAG	SPHERICAL ROLLER BEARINGS
  1204M	20	47	14	FED	DEEP GROOVE BALL BEARINGS
  F-UCPR205	25			NTN	THERMOPLASTIC PILLOW BLOCKS
  NU-2240	200	360	98	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  NK-30/20	40		20	CONSOLIDATED	NEEDLE BEARINGS
  HMS-3044	7	Tr 220x4	20	CONSOLIDATED	LOCKNUTS COMPLETE WITH LOCKING CLAMP