d - 114,3 mm

D - 180,975 mm

T - 34,925 mm

B - 31,75 mm

C - 25,4 mm

ra1 max. - 3,3 mm

a - -5,4 mm

Da - 163 mm

db - 123 mm

ra max. - 3,5 mm

da - 130 mm

Db - 172 mm

Weight - 2,93 Kg

Basic dynamic load rating (C) - 169 kN

Basic static load rating (C0) - 245 kN

(Grease) Lubrication Speed - 1 900 r/min

(Oil) Lubrication Speed - 2 500 r/min

Calculation factor (e) - 0,5

Calculation factor (Y0) - 0,66

Calculation factor (Y2) - 1,21

• Model Number: 4T-68450/68712
• Inner Diameter：114,3mm Outer Diameter：180,975mm Width：34,925mm
• Type：Tapered Roller Bearings
• Update date：2025-12-10
• Application:other processing,milling head plug,intermediate,Microwave Equipment,hanging clamp,relay,raw material accessories,horizontal processing,agriculture,stacker lift platform,Special Equipment
• Similar models:KOYO 68450/68712 NACHI 68450/68712 Timken 68450/68712 ISO 68450/68712 NTN 4T-68450/68712 ISB 68450/68712 CX 68450/68712 FBJ 68450/68712 SKF 68450/68712 NSK 68450/68709
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-68450/68712 products，there is large inventory of NTN 4T-68450/68712 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-68450/68712 Which NTN 4T-68450/68712 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
  30619	95	160	47	LYC	Tapered Roller Bearings
  6012-NR	60	95	18	NKE	Deep Groove Ball Bearings
  617/5-2RS	5	8	2	CX	Deep Groove Ball Bearings
  7209CDF	45	85	19	NACHI	Angular Contact Ball Bearings
  81124	120,000	155,000	25,000	NTN	Thrust Ball Bearings
  CSCU 040.2RS	101,6	120,65	12,7	INA	Deep Groove Ball Bearings
  D20	42,863	75,413	20,65	INA	Thrust Ball Bearings
  DC5080	400	600	272	KOYO	Cylindrical Roller Bearings
  H239640/H239612	177,8	320,675	88,9	NSK	Cylindrical Roller Bearings
  K12x15x10TN	12	15		SKF	Needle Roller Bearings
  M348449/10	247,65	346,075	63,5	ISO	Tapered Roller Bearings
  N3048	240	360	92	CX	Cylindrical Roller Bearings
  NUP30/500	500	720	167	CX	Cylindrical Roller Bearings
  RI-3332	2,38	4,762	1,588	NMB	Deep Groove Ball Bearings
  RNAO 45x62x40 - ZW	45	53	40	NBS	Needle Roller Bearings
  RNAO35x45x17	35	45	17	SKF	Needle Roller Bearings
  USPE208	40			SNR	Bearing Units
  29416E	80	170		FAG	SPHERICAL ROLLER THRUST BEARINGS
  TAF182616	26		16	IKO	NEEDLE BEARINGS
  638/8ZZ	8	16	6	SKF	DEEP GROOVE BALL BEARINGS