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：2025-04-25
• Application:ventilation equipment,Storage Device,joint protection,pump industry,Low-voltage electrical equipment,Broadcasting System,surgical instruments,Generator,extruder,Industrial,medical Equipment
• Similar models:Timken 28990/28919 FBJ 28990/28920 Timken 28990/28921D NTN 4T-28990/28920 CX 28990/28920 ISO 28990/28920 NTN 4T-28990/28919 Timken 28990/28920
• 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.

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  319165 A	800	600	90	SKF	Thrust Ball Bearings
  32211	55	100	26,75	CRAFT	Tapered Roller Bearings
  3TM-6205/27	27	52	15	NTN	Deep Groove Ball Bearings
  62310-2RSR	50	110	40	FAG	Deep Groove Ball Bearings
  7003	17	35	10	NACHI	Angular Contact Ball Bearings
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  7316 A-UD	80	170	78	CX	Angular Contact Ball Bearings
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  CS203	17,000	40,000	12,000	SNR	Deep Groove Ball Bearings
  E2.YET 207-107	72	36,513	38,9	SKF	Deep Groove Ball Bearings
  GEEW 200 ES	200	290	200	ISB	Plain Bearings
  GSH20-2RSR-B	20	47	28	INA	Deep Groove Ball Bearings
  LM654642/LM654610CD+LM654642XC	279,982	380,898	139,7	Timken	Tapered Roller Bearings
  JT-1813	28.575	34.925	20.62	KOYO	Needle Roller Bearings
  NA6903	17	30	23	CX	Needle Roller Bearings
  SA2-32B	2.0000	3.1875	1.7500	NTN	SPHERICAL PLAIN BEARINGS
  NATV17PPX	17	40	21	INA	NEEDLE BEARINGS
  SSR-20-ZZ	1.2500	2.2500	.5000	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  LR-50/6-ZZ	6	19	9	CONSOLIDATED	YOKE TYPE TRACK ROLLERS
  SS61801	12	21	5	CONSOLIDATED	DEEP GROOVE BALL BEARINGS