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：2025-12-12
• Application:EEG,other mold,coal,ventilation heating equipment,paper processing machine,chromatography,crimping tools,Surveying Surveying Instruments,air conditioning tools,hot and cold box,sterilizers
• Similar models:NSK 68450/68709 SKF 68450/68712 Timken 68450/68712 NACHI 68450/68712 ISB 68450/68712 KOYO 68450/68712 CX 68450/68712 FBJ 68450/68712 ISO 68450/68712 NTN 4T-68450/68712
• 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
  23280-B-MB	400	720	256	FAG	Spherical Roller Bearings
  5201SCLLD	12	32	15,9	NTN	Angular Contact Ball Bearings
  54413U	65	140	119	NACHI	Thrust Ball Bearings
  6003EE	17,000	35,000	10,000	SNR	Deep Groove Ball Bearings
  7210 BEP	90	50	20	SKF	Angular Contact Ball Bearings
  8609	45	100	30	SIGMA	Deep Groove Ball Bearings
  88510	50	90	30	SIGMA	Deep Groove Ball Bearings
  GBRI 446828 UU	69,85	107,95	44,7	IKO	Needle Roller Bearings
  KBK20X24X30	20	24	30	CX	Needle Roller Bearings
  L-850	5	8	2	NMB	Deep Groove Ball Bearings
  MBT18V	18	34	18	NMB	Plain Bearings
  NA 4922U	110	150	41	IKO	Needle Roller Bearings
  NU 1034 M	260	170	42	SKF	Thrust Ball Bearings
  NU2330K	150,000	320,000	108,000	NTN	Cylindrical Roller Bearings
  NU2336	180	380	126	KOYO	Cylindrical Roller Bearings
  S7009 FW/HC	75	45	16	SKF	Angular Contact Ball Bearings
  VEX 9 /NS 7CE1	9	24	7	SNFA	Angular Contact Ball Bearings
  CSXG350	35.0000	37.0000	1.0000	INA	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  CFL34	4.2500	7.5000	1.2500	SKF	CYLINDRICAL ROLLER BEARINGS
  238/850	850	1030	136	CONSOLIDATED	SPHERICAL ROLLER BEARINGS