d - 49,212 mm

D - 93,264 mm

T - 30,162 mm

B - 30,302 mm

C - 23,812 mm

R - 3,6 mm

r - 3,3 mm

a - -8,1 mm

Da - 88 mm

db - 62 mm

da - 56 mm

Db - 82 mm

Aa - 1,9 mm

Ab - 0,9 mm

Weight - 0,87 Kg

Basic static load rating (C0) - 153 kN

Factor (G1) - 49,9

Factor (G2) - 14,5

Factor (Cg) - 0,0233

Factor (K) - 1,73

Basic dynamic load rating (C90) - 29,3

Basic dynamic load rating (Ca90) - 17

Basic dynamic load rating (C1) - 113 kN

Calculation factor (e) - 0,34

Calculation factor (Y) - 1,77

• Model Number: 3781/3720
• Inner Diameter：49,212mm Outer Diameter：93,264mm Width：30,162mm
• Type：Tapered Roller Bearings
• Update date：2025-04-20
• Application:Optical detection,safety testing,Digital Generator,chromatography,Gear grinding machine,wall materials,Storage Tool,Cylinder Special,Industrial Electromechanical,Medical room equipment,industry test
• Similar models:AST 3781/3730 Timken 3781/3720 Timken 3781/3729D+X1S-366 CX 3781/3720 ISO 3781/3720 NTN 4T-3781/3720 FBJ 3781/3720 NACHI 3781/3730
• BEARING POWER International Trading Co.,Ltd. specialize in 3781/3720 products，there is large inventory of Timken 3781/3720 . We has been built up long-term cooperation with Timken company, could make a bulk order of the 3781/3720 Which Timken 3781/3720 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
  14139/14276	34,976	69,012	19,845	ISO	Tapered Roller Bearings
  22209 E	85	45	23	SKF	Spherical Roller Bearings
  280RN91	280	429		Timken	Cylindrical Roller Bearings
  55200C/55437	50,8	111,125	30,162	CX	Tapered Roller Bearings
  566S/563	69,85		36,17	KOYO	Tapered Roller Bearings
  6008/HR11QN	40	68	15	SKF	Deep Groove Ball Bearings
  6816Z	80	100	10	NACHI	Deep Groove Ball Bearings
  7318CDB	90	190	43	CYSD	Angular Contact Ball Bearings
  E 270 /S/NS 7CE3	70	125	24	SNFA	Angular Contact Ball Bearings
  ER210	50	90	51,6	FYH	Deep Groove Ball Bearings
  HAR922C	110	150	20	KOYO	Angular Contact Ball Bearings
  KAA070	177,8	190,5	6,35	KOYO	Angular Contact Ball Bearings
  KBL50192-PP	50	75		NBS	Linear Bearings
  WJ-566216	88,9	98,425		Timken	Needle Roller Bearings
  UKT205H	20			SNR	Bearing Units
  6316	80	170	39	FAG	DEEP GROOVE BALL BEARINGS
  2MMV9109WI-CRDU	45	75	16	FAF	ANGULAR CONTACT BALL BEARINGS
  B7014-C-2RSD-T-P4S-UL	70	110	20	FAG	ANGULAR CONTACT BALL BEARINGS
  360SD31	360	600	192	Torrington (Old No.)	SPHERICAL ROLLER BEARINGS
  RS-5032NR	160	240	109	NSK	CYLINDRICAL ROLLER BEARINGS