d - 17 mm

D - 47 mm

T - 15,25 mm

B - 14 mm

C - 12 mm

ra1 max. - 1 mm

a - 10,5 mm

r min. - 1 mm

r1 min. - 1 mm

da min. - 22,5 mm

Da min - 40 mm

Da max. - 41,5 mm

db max. - 24 mm

Db min. - 42 mm

ra max. - 1 mm

Sa - 3 mm

Sb - 3,5 mm

Weight - 0,134 Kg

Basic dynamic load rating (C) - 28,9 kN

Basic static load rating (C0) - 26,3 kN

(Grease) Lubrication Speed - 9 000 r/min

(Oil) Lubrication Speed - 12 000 r/min

Calculation factor (e) - 0,29

Calculation factor (Y0) - 1,16

Calculation factor (Y2) - 2,11

• Model Number:4T-30303
• Inner Diameter：17mm Outer Diameter：47mm Width：15,25mm
• Type：Tapered Roller Bearings
• Update date：2025-12-16
• Application:industrial fans,pump industry,Generator,machine tool spindle,non-motor vehicle Electric car,rehabilitation training equipment,food sterilization,Broadcasting System,product accessories,Broadcasting System,hardware
• Similar models:NSK HR30303J NSK 30303D SKF 30303J2 PFI 30303D ISB 30303 FBJ 30303 CX 30303A Fersa 30303F Timken 30303 FAG 30303-A
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-30303 products，there is large inventory of NTN 4T-30303 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-30303 Which NTN 4T-30303 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
  249/710CA/W33	710	950	243	SKF	Spherical Roller Bearings
  32244	220	400	114	ISO	Tapered Roller Bearings
  413080	400	600	148	NTN	Tapered Roller Bearings
  441/432	35		29,901	KOYO	Tapered Roller Bearings
  618/630-M	630	780	69	FAG	Deep Groove Ball Bearings
  6215-2Z-NR	75	130	25	NKE	Deep Groove Ball Bearings
  6308ZENR	40	90	23	NACHI	Deep Groove Ball Bearings
  81214-TV	70	105	27	INA	Thrust Roller Bearings
  BT2B 332911 B/HB1	635	447,675	223,838	SKF	Tapered Roller Bearings
  K55X62X18H	55	63		KOYO	Needle Roller Bearings
  N3156	280	460	146	ISO	Cylindrical Roller Bearings
  NJ2214-E-TVP3	70	125	31	NKE	Cylindrical Roller Bearings
  NJ28/850	850	1030	106	ISO	Cylindrical Roller Bearings
  NNU 4148 M/W33	240	400	160	ISB	Cylindrical Roller Bearings
  NNU4924K	120	165	45	ISO	Cylindrical Roller Bearings
  SS 61808-ZZ	40	52	7	ISB	Deep Groove Ball Bearings
  TUP2 70.40	70	75		CX	Plain Bearings
  NU2216E	80	140	33	SKF	CYLINDRICAL ROLLER BEARINGS
  24020	100	150	50	CONSOLIDATED	SPHERICAL ROLLER BEARINGS
  LS-11-2RS	1.1250	2.5000	.6250	CONSOLIDATED	DEEP GROOVE BALL BEARINGS