d - 49.212 mm

D - 93.264 mm

T - 30.162 mm

B - 30.302 mm

C - 23.812 mm

a - 8.4 mm

r1 min. - 3.5 mm

r2 min. - 0.8 mm

Weight - 0,945 Kg

Basic dynamic load rating (C) - 102000 kN

Basic static load rating (C0) - 134000 kN

(Grease) Lubrication Speed - 3800 r/min

(Oil) Lubrication Speed - 5300 r/min

Calculation factor (e) - 0.34

Calculation factor (Y0) - 0.97

Calculation factor (Y1) - 1.8

• Model Number: 3781/3730
• Inner Diameter：49.212mm Outer Diameter：93.264mm Width：30.162mm
• Type：Tapered Roller Bearings
• Update date：2025-12-12
• Application:water protection,reducer,Spectrum Products,climb ladder,flow control valve,Industrial Electromechanical,chamfering machine etc,Display Devices,dynamic blood pressure,Hair styling device,other mold
• Similar models:FBJ 3781/3720 Timken 3781/3729D+X1S-366 ISO 3781/3720 AST 3781/3730 CX 3781/3720 Timken 3781/3720 NACHI 3781/3730 NTN 4T-3781/3720
• BEARING POWER International Trading Co.,Ltd. specialize in 3781/3730 products，there is large inventory of NACHI 3781/3730 . We has been built up long-term cooperation with NACHI company, could make a bulk order of the 3781/3730 Which NACHI 3781/3730 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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  2208-K-TVH-C3	40	80	23	FAG	Self-Aligning Ball Bearings
  29322E	110,000	190,000	48,000	SNR	Thrust Roller Bearings
  55175/55443	44,45	112,712	30,162	Timken	Tapered Roller Bearings
  6332	160	340	68	NACHI	Deep Groove Ball Bearings
  E 200/140 7CE3	140	250	42	SNFA	Angular Contact Ball Bearings
  EE430900/431575	228,6	400,05	88,9	KOYO	Tapered Roller Bearings
  GE 040/65 XES	40	65	32	CX	Plain Bearings
  HM911243/HM911216	53,975	134,983	33,449	Timken	Tapered Roller Bearings
  HR30219J	95	170	34,5	NSK	Tapered Roller Bearings
  Q330	150	320	65	ISO	Angular Contact Ball Bearings
  RNA2130	148	155	34	Timken	Needle Roller Bearings
  NJ 305 EW	25	62	17	NSK	Cylindrical Roller Bearings
  NKJ5/16	5	15	16	KOYO	Needle Roller Bearings
  PCM 202315 M	20	23	15	SKF	Plain Bearings
  VEB 35 /S 7CE1	35	55	10	SNFA	Angular Contact Ball Bearings
  FX1/8	.1250	.3125	.1406	ADR	DEEP GROOVE BALL BEARINGS
  R220L	120	215	40	HOFF	CYLINDRICAL ROLLER BEARINGS
  6312.2Z	60	130	31	FAG	DEEP GROOVE BALL BEARINGS
  NJ410	50	130	31	STEYR	CYLINDRICAL ROLLER BEARINGS
  NJ-256	280	500	80	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS