d - 55 mm

D - 120 mm

T - 31,5 mm

B - 29 mm

C - 21 mm

ra1 max. - 2 mm

a - 38 mm

r min. - 2,5 mm

r1 min. - 2 mm

da min. - 67 mm

Da min - 94 mm

Da max. - 110 mm

db max. - 68 mm

Db min. - 113 mm

ra max. - 2 mm

Sa - 4 mm

Sb - 10,5 mm

Weight - 1,59 Kg

Basic dynamic load rating (C) - 132 kN

Basic static load rating (C0) - 154 kN

(Grease) Lubrication Speed - 2 900 r/min

(Oil) Lubrication Speed - 3 800 r/min

Calculation factor (e) - 0,83

Calculation factor (Y0) - 0,4

Calculation factor (Y2) - 0,73

• Model Number: 4T-30311D
• Inner Diameter：55mm Outer Diameter：120mm Width：31,5mm
• Type：Tapered Roller Bearings
• Update date：2025-04-22
• Application:vacuum suction cup,Hydraulic Equipment,food testing,forklift truck,car and accessories,rock drilling machinery,Seals,X-ray Equipment,medical equipment,woodworking machinery,agriculture
• Similar models:PFI 30311 NTN 30311 KOYO 46T30311DJR/49 KOYO 46T30311JR/57 Timken 30311 FBJ 30311 NSK HR30311DJ NTN 4T-30311D ISB 30311 FBJ 30311D
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-30311D products，there is large inventory of NTN 4T-30311D . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-30311D Which NTN 4T-30311D 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
  24148R	240	400	160	KOYO	Spherical Roller Bearings
  3NCHAR007CA	35	62	14	KOYO	Angular Contact Ball Bearings
  3NCHAR030CA	150	225	35	KOYO	Angular Contact Ball Bearings
  4131/670G2	670	1090	336	NTN	Tapered Roller Bearings
  476/472	60	120	29,795	Fersa	Tapered Roller Bearings
  6314BI	70	150	35	KOYO	Angular Contact Ball Bearings
  EE420850/421417	215,9	360	82,55	Timken	Tapered Roller Bearings
  NCF5024-2LSV	120	180	80	ZEN	Cylindrical Roller Bearings
  NA6913	65	90	45	CX	Needle Roller Bearings
  SL024930	150	210	60	INA	Cylindrical Roller Bearings
  VKBA 3259				SKF	Wheel Bearings
  51184				FAG	THRUST BALL BEARINGS
  HM-3176+MS-3176	14	Tr 380x5	32	FAG	LOCKNUTS COMPLETE WITH LOCKING CLAMP
  6305ZNR	25	62	17	FAG	DEEP GROOVE BALL BEARINGS
  KM28			22	SKF	LOCKNUTS
  RNA4902RS	28		13	SKF	NEEDLE BEARINGS
  6040M	200	310	51	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  NJ-320	100	215	47	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  GE-110SX	110	170	36	CONSOLIDATED	SPHERICAL PLAIN BEARINGS
  WCT-38A	7.9120	8.3125		CONSOLIDATED	THRUST ROLLER BEARINGS