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：2025-04-22
• Application:hydraulic cylinder,Polymer,Gear grinding machine,Cutting Machine,stamping die and its equipment,small appliances,teaching equipment,chromatography,office outdoor camping equipment,coupling type,insect experimental analysis instrument
• Similar models:FAG 30203-XL KBC 30203J SNR 30203A FAG 30203-A KOYO 30203JR CRAFT 30203 CYSD 30203 Fersa 30203F CX 30203A PFI 30203
• 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
  20SF32	50,8	80,962	44,45	NSK	Plain Bearings
  30228A	140	250	45,75	ZVL	Tapered Roller Bearings
  5311S	55	120	49,2	NTN	Angular Contact Ball Bearings
  6210LLBNR	50,000	90,000	20,000	NTN	Deep Groove Ball Bearings
  7006UG/GMP4	30	55	13	NTN	Angular Contact Ball Bearings
  AST20 WC32	30	54		AST	Plain Bearings
  FL619/2,5	2,5	7	2,5	ISO	Deep Groove Ball Bearings
  GE60N	60	90	44	LS	Plain Bearings
  K81272-M	360	500		NBS	Thrust Roller Bearings
  LM40OP	40	60	60,5	Samick	Linear Bearings
  NU29/600	600,000	800,000	118,000	NTN	Cylindrical Roller Bearings
  T2ED090	90	155	46	NKE	Tapered Roller Bearings
  UCT306	30			NACHI	Bearing Units
  Y-2 1/2 4	3,969	7,144	6,35	NSK	Needle Roller Bearings
  24064B.MB	320	480	160	FAG	SPHERICAL ROLLER BEARINGS
  51218				RHP	THRUST BALL BEARINGS
  SD-3156	260			SKF	PILLOW BLOCKS
  B20-L	1.2500	2.0000	1.0937	RBC	SPHERICAL PLAIN BEARINGS
  73L14	70	110	20	New Departure	DEEP GROOVE BALL BEARINGS
  24030-2RS	150	225	75	CONSOLIDATED	SPHERICAL ROLLER BEARINGS