d - 40 mm

D - 90 mm

T - 25,25 mm

B - 23 mm

C - 20 mm

ra1 max. - 1,5 mm

a - 19,5 mm

r min. - 2 mm

r1 min. - 1,5 mm

da min. - 50 mm

Da min - 77 mm

Da max. - 81,5 mm

db max. - 52 mm

Db min. - 82 mm

ra max. - 2 mm

Sa - 3 mm

Sb - 5 mm

Weight - 0,769 Kg

Basic dynamic load rating (C) - 91,5 kN

Basic static load rating (C0) - 102 kN

(Grease) Lubrication Speed - 4 400 r/min

(Oil) Lubrication Speed - 5 900 r/min

Calculation factor (e) - 0,35

Calculation factor (Y0) - 0,96

Calculation factor (Y2) - 1,74

• Model Number: 4T-30308
• Inner Diameter：40mm Outer Diameter：90mm Width：25,25mm
• Type：Tapered Roller Bearings
• Update date：2025-04-22
• Application:Textile Accessories,root canal filling,marine analysis,training beds etc,rehabilitation training equipment,noise reduction equipment,switch,universal category,machine tool spindle,injection molding machine,hot and cold box
• Similar models:SKF 30308T72J2/QDBC220 NSK HR30308DJ NSK HR30308C NTN 4T-30308DDF KOYO 30308JR NACHI E30308DJ PFI 30308D KBC 30308J KOYO 30308XR NTN 4T-30308
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-30308 products，there is large inventory of NTN 4T-30308 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-30308 Which NTN 4T-30308 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
  2580/2523S	31,75	69,85	23,812	CX	Tapered Roller Bearings
  29340-M	200	340	85	NKE	Thrust Roller Bearings
  29472	360	640	170	NTN	Thrust Roller Bearings
  29492 M	460	800		CX	Thrust Roller Bearings
  6902L11-H-20ZZ1	15	28	7	NSK	Deep Groove Ball Bearings
  B7004-E-2RSD-T-P4S	20	42	12	FAG	Angular Contact Ball Bearings
  HH924349/HH924310D+HH924349XA	111,125	241,3	158,75	Timken	Tapered Roller Bearings
  N 1010 KPHA/HC5SP	50	80	16	SKF	Cylindrical Roller Bearings
  RNA 4913	72	90	25	IKO	Needle Roller Bearings
  RNA 69/28	45	32	30	SKF	Cylindrical Roller Bearings
  UCFL205-16	25,4			FYH	Bearing Units
  UKT310H	45			SNR	Bearing Units
  YB 2816	44,45	53,975	25,4	IKO	Needle Roller Bearings
  WR-36	4.3307	2.2500	1.2500	FED	BALL BEARING
  NUP424	120	310	72	STEYR	CYLINDRICAL ROLLER BEARINGS
  SNW20x31/2	100	130		Torrington	ADAPTERS
  SF-36	2.2500			Sealmaster	PILLOW BLOCKS
  203	40	17	12	NH	DEEP GROOVE BALL BEARINGS
  NKX-50	62	50		CONSOLIDATED	NEEDLE BEARINGS
  SN-306..1306	30	-	52	CONSOLIDATED	PILLOW BLOCKS