d - 17 mm

D - 40 mm

T - 13,25 mm

B - 12 mm

C - 11 mm

ra1 max. - 1 mm

a - 9,5 mm

r min. - 1 mm

r1 min. - 1 mm

da min. - 22,5 mm

Da min - 33 mm

Da max. - 34,5 mm

db max. - 23 mm

Db min. - 37 mm

ra max. - 1 mm

Sa - 2 mm

Sb - 2 mm

Weight - 0,08 Kg

Basic dynamic load rating (C) - 20,5 kN

Basic static load rating (C0) - 20,3 kN

(Grease) Lubrication Speed - 9 900 r/min

(Oil) Lubrication Speed - 13 000 r/min

Calculation factor (e) - 0,35

Calculation factor (Y0) - 0,96

Calculation factor (Y2) - 1,74

• Model Number:4T-30203
• Inner Diameter：17mm Outer Diameter：40mm Width：13,25mm
• Type：Tapered Roller Bearings
• Update date：2025-12-11
• Application:inorganic chemical,Embroidery,Warehouse Shelf Equipment,Anesthetic Equipment,metallurgical mold,forklift industry,office equipment,Pneumatic Actuator,roller lathe,power protection,Chromatography Products
• Similar models:KBC 30203J FAG 30203-A PFI 30203 NSK HR30203J Timken X30203/Y30203 SNR 30203A CX 30203A ISO 30203 NKE 30203 SKF 30203J2
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-30203 products，there is large inventory of NTN 4T-30203 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-30203 Which NTN 4T-30203 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
  23936R	180	250	52	KOYO	Spherical Roller Bearings
  3222	110	200	69.8	KOYO	Angular Contact Ball Bearings
  32956-N11CA	280	380	127	FAG	Tapered Roller Bearings
  413172	360	600	192	NTN	Tapered Roller Bearings
  619/560 MA	750	560	85	SKF	Deep Groove Ball Bearings
  6209KEE	45,000	85,000	19,000	SNR	Deep Groove Ball Bearings
  749/742	85,026	150,089	44,45	Fersa	Tapered Roller Bearings
  AST50 72IB48	114,3			AST	Plain Bearings
  BAHB636035A	30	72	37	SKF	Angular Contact Ball Bearings
  E32030J	150	225	48	NACHI	Tapered Roller Bearings
  HX35 /S 7CE1	35	62	14	SNFA	Angular Contact Ball Bearings
  LT1.5/8B	41,275	62,70625	18,25625	RHP	Thrust Ball Bearings
  NK30X42X30	30,000	42,000	30,000	NTN	Needle Roller Bearings
  R470-1	470	610	82	NSK	Cylindrical Roller Bearings
  SF63800-2Z	10	19	7	ZEN	Deep Groove Ball Bearings
  TRU 13518860UU	135	188	60	IKO	Cylindrical Roller Bearings
  SN524	110		120	SKF	PILLOW BLOCKS
  JU050CPO	5.0000	5.7500	.5000	KAYDON	DEEP GROOVE BALL BEARINGS
  NA6910	50	72	40	SKF	NEEDLE BEARINGS
  70/530MG	530	780	112	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS