d - 61,976 mm

D - 101,6 mm

T - 24,608 mm

B - 24,608 mm

C - 19,845 mm

ra1 max. - 3,3 mm

a - 1,7 mm

Da - 90 mm

db - 68 mm

ra max. - 2 mm

da - 72 mm

Db - 97 mm

Weight - 0,768 Kg

Basic dynamic load rating (C) - 90,5 kN

Basic static load rating (C0) - 134 kN

(Grease) Lubrication Speed - 3 500 r/min

(Oil) Lubrication Speed - 4 700 r/min

Calculation factor (e) - 0,43

Calculation factor (Y0) - 0,78

Calculation factor (Y2) - 1,41

• Model Number:4T-28990/28920
• Inner Diameter：61,976mm Outer Diameter：101,6mm Width：24,608mm
• Type：Tapered Roller Bearings
• Update date：2025-12-20
• Application:circulating pump,pipe fittings Steel industry,Reflective Materials Industrial fabrics,turret industry,Hydraulic Equipment,ventilation equipment,lifting equipment Hoisting hoist,medical equipment,Cylinder Micro,Industrial,meat products machine
• Similar models:ISO 28990/28920 Timken 28990/28921D Timken 28990/28920 CX 28990/28920 NTN 4T-28990/28920 Timken 28990/28919 FBJ 28990/28920 NTN 4T-28990/28919
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-28990/28920 products，there is large inventory of NTN 4T-28990/28920 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-28990/28920 Which NTN 4T-28990/28920 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
  33211	55	100	35	Timken	Tapered Roller Bearings
  46356	280	460	146	KOYO	Tapered Roller Bearings
  4T-33108STPX2V3	40	75	26	NTN	Tapered Roller Bearings
  4T-782/772	104,775	180,975	47,625	NTN	Tapered Roller Bearings
  61816	80	100	10	SIGMA	Deep Groove Ball Bearings
  6207GSPC4	35	72	18	KOYO	Deep Groove Ball Bearings
  6407NR	35	100	25	SKF	Deep Groove Ball Bearings
  7317CDF	85	180	41	CYSD	Angular Contact Ball Bearings
  FJT-3522	35	42	22	NSK	Needle Roller Bearings
  HK3022	30	37	22	INA	Needle Roller Bearings
  HR120KBE2601+L	120	260	188	NSK	Tapered Roller Bearings
  KN25-B	25	40	58	INA	Linear Bearings
  NCF3036-V	180	260,22	74	NKE	Cylindrical Roller Bearings
  NN 3036	180	255	74	NSK	Cylindrical Roller Bearings
  VEB 45 7CE3	45	68	12	SNFA	Angular Contact Ball Bearings
  4311	55	120	43	FAG	DEEP GROOVE BALL BEARINGS
  SJ-8477-SS			1.7500	RBC	NEEDLE BEARINGS
  JU047CPO	4.7500	5.5000	.5000	KAYDON	DEEP GROOVE BALL BEARINGS
  NBX27919	11.0000	12.5000	.7500	NSK	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  6319.RS	95	200	45	SKF	DEEP GROOVE BALL BEARINGS