d - 41,275 mm

D - 85,725 mm

T1 - 11,112 mm

B - 30,162 mm

C - 23,812 mm

R - 3,6 mm

a - -8,1 mm

D1 - 89,586 mm

Da - 73 mm

db - 57 mm

C2 - 4,762 mm

da - 50,5 mm

Weight - 0,85 Kg

Basic static load rating (C0) - 148 kN

Factor (G1) - 37,8

Factor (G2) - 13,5

Factor (K) - 1,45

Basic dynamic load rating (C90) - 29,8

Basic dynamic load rating (Ca90) - 20,5

Basic dynamic load rating (C1) - 115 kN

Calculation factor (e) - 0,4

Calculation factor (Y) - 1,49

• Model Number:3877/3820B
• Inner Diameter：41,275mm Outer Diameter：85,725mm Width：30,162mm
• Type：Tapered Roller Bearings
• Update date：2025-12-10
• Application:spectrometer,Medical room equipment,stamping die,electric pump,beverage production,roller lathe,ignition system,chuck industry,motorcycle,centrifugal pump,Automation
• Similar models:Timken 3877/3820B Timken 3877/3820 ISO 3877/3820 CX 3877/3821 Timken 3877A/3820 CX 3877/3820 KOYO 3877A/3821 KOYO 3877/3821 ISO 3877/3821 Timken 3877/3821
• BEARING POWER International Trading Co.,Ltd. specialize in 3877/3820B products，there is large inventory of Timken 3877/3820B . We has been built up long-term cooperation with Timken company, could make a bulk order of the 3877/3820B Which Timken 3877/3820B 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
  126085X/126136XG	85,725	136,525	74	Gamet	Tapered Roller Bearings
  15103/15245	26,157	62	19,05	Timken	Tapered Roller Bearings
  6208-2RS BOMB	40	80	18	ISB	Deep Groove Ball Bearings
  7006 C-UO	30	55	26	CX	Angular Contact Ball Bearings
  7260	300,000	540,000	85,000	NTN	Angular Contact Ball Bearings
  7305CDT	25	62	17	NACHI	Angular Contact Ball Bearings
  BB1B630978C	37	73	17	SKF	Deep Groove Ball Bearings
  BR 142216	22,225	34,925	25,4	IKO	Needle Roller Bearings
  CSCG120	304,8	355,6	25,4	INA	Deep Groove Ball Bearings
  E-CRO-19001	950	1360	880	NTN	Tapered Roller Bearings
  NK20/16	20	28	16	ZEN	Needle Roller Bearings
  NUP211	55	100	21	KOYO	Cylindrical Roller Bearings
  QJ330-N2-MPA	150	320	65	NKE	Angular Contact Ball Bearings
  SS 6203-ZZ	17	40	12	ISB	Deep Groove Ball Bearings
  SAPP204-12	19.05		25,4	KOYO	Bearing Units
  SYH 1.1/4 FM	31.75			SKF	Bearing Units
  YAR 205-2FW/VA228	25	30	70	SKF	Bearing Units
  280BC03	280	580	108	Torrington	DEEP GROOVE BALL BEARINGS
  52324				CONSOLIDATED	THRUST BALL BEARINGS
  6226MP/5	130	230	40	CONSOLIDATED	DEEP GROOVE BALL BEARINGS