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：2025-12-16
• Application:Hairbrush device,flexible processing,equipment,hot and cold box,Beauty and Body,Special Equipment,hydraulic actuator,packing equipment,rubber products machinery and equipment,supporting facilities,food sterilization
• Similar models:SKF 30308J2/Q NSK HR30308C ISO 30308 NSK HR30308J CRAFT 30308 Timken 30308 KOYO 46T30308JR/45,5 NSK HR30308DJ SKF 30308T72J2/QDBC220 NTN 4T-30308DDF
• 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
  3NCHAC904C	20	37	9	KOYO	Angular Contact Ball Bearings
  51111	55	78	16	NSK	Thrust Ball Bearings
  6926LU	130,000	180,000	24,000	NTN	Deep Groove Ball Bearings
  6904NR	20	37	9	CYSD	Deep Groove Ball Bearings
  6919ZZ	95	130	18	NSK	Deep Groove Ball Bearings
  7316CDF	80	170	39	NACHI	Angular Contact Ball Bearings
  7332	160	340	68	NACHI	Angular Contact Ball Bearings
  ASTT90 F25080	250	255		AST	Plain Bearings
  LM11749/LM11710	17,462	39,878	13,843	NSK	Tapered Roller Bearings
  NA4852	260	320	60	NTN	Needle Roller Bearings
  NJ 306 ECM	72	30	19	SKF	Thrust Ball Bearings
  NJ5220	100	180	60,32	ISO	Cylindrical Roller Bearings
  NU207EG15	35,000	72,000	17,000	SNR	Cylindrical Roller Bearings
  UCS317D1	85,000	180,000	96	NTN	Deep Groove Ball Bearings
  YSA 211-2FK + H 2311	100	50	59	SKF	Deep Groove Ball Bearings
  TRA6074	3.7500	4.6250		Torrington	THRUST NEEDLE BEARINGS
  130RU30	130	200	52	Torrington	CYLINDRICAL ROLLER BEARINGS
  204NN	47	20	14	NH	DEEP GROOVE BALL BEARINGS
  NCF-2240V	200	360	98	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  SNZ-309..1309	45	40	70	CONSOLIDATED	PILLOW BLOCKS