d - 66,675 mm

D - 112,712 mm

T - 30,162 mm

B - 30,048 mm

C - 23,812 mm

ra1 max. - 3,2 mm

a - 25,5 mm

r min. - 3,5 mm

r1 min. - 3,2 mm

Da - 99 mm

db - 74 mm

ra max. - 3,5 mm

da - 80 mm

Db - 106 mm

Weight - 1,166 Kg

Basic dynamic load rating (C) - 120 kN

Basic static load rating (C0) - 173 kN

(Grease) Lubrication Speed - 3200 r/min

(Oil) Lubrication Speed - 4300 r/min

Calculation factor (e) - 0,4

Calculation factor (Y0) - 0,82

Calculation factor (Y1) - 1,5

• Model Number: 3984/3920
• Inner Diameter：66,675mm Outer Diameter：112,712mm Width：30,162mm
• Type：Tapered Roller Bearings
• Update date：2025-04-23
• Application:Vertical pull,Insect Count,cooling system,multi-knife lathe,motorcycle,stamping die,rolling mill roll neck and slowdown device,non-ferrous metal alloy,axle lathe,agriculture,power protection
• Similar models:Timken 3984/3920 Timken 3984/3921XA NTN 4T-3984/3925 Timken 3984/3920B ISO 3984/3925 NSK 3984/3920 Timken 3984/3927X CX 3984/3925 KBC 3984/3920 CX 3984/3920
• BEARING POWER International Trading Co.,Ltd. specialize in 3984/3920 products，there is large inventory of NSK 3984/3920 . We has been built up long-term cooperation with NSK company, could make a bulk order of the 3984/3920 Which NSK 3984/3920 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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  61922	150	110	20	SKF	Deep Groove Ball Bearings
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  6902NR	15	28	7	NTN	Deep Groove Ball Bearings
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  BK081412	8	14	12	CX	Cylindrical Roller Bearings
  HK0910	9	13	10	Timken	Needle Roller Bearings
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  NA 49/28	28	45	17	JNS	Needle Roller Bearings
  NA4913R	65	90	25	NTN	Needle Roller Bearings
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  NUP426	130	340	78	CX	Cylindrical Roller Bearings
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  24188CAB	440	720	280	SKF	SPHERICAL ROLLER BEARINGS
  7603110TVP	110	240	50	FAG	ANGULAR CONTACT BALL SCREW SUPPORT BEARINGS
  BL221	105	190	36	NTN	DEEP GROOVE BALL BEARINGS
  K-12x16x13	12	16	13	CONSOLIDATED	NEEDLE BEARINGS