d - 31.75 mm

T - 27 mm

B - 25,4 mm

C - 21,443 mm

a - 22,3 mm

r min. - 1,6 mm

r1 min. - 1,6 mm

Da - 60 mm

db - 42,5 mm

da - 45 mm

Db - 69 mm

Basic dynamic load rating (C) - 66,9 kN

Basic static load rating (C0) - 87,4 kN

Calculation factor (e) - 0,55

Calculation factor (Y0) - 0,6

Calculation factor (Y1) - 1,1

• Model Number: HM88644/HM88611
• Inner Diameter：31.75mm Outer Diameter：mm Width：25,4mm
• Type：Tapered Roller Bearings
• Update date：2025-12-10
• Application:tire industry,education model Instruments,sewage pump,Hairbrush device,pneumatic Pump,machining,hydraulic cylinder,Industry,tooth filling,suction nozzle,Medium and large motor
• Similar models:KOYO HM88644/HM88612 KOYO 47TS886447 Timken HM88644/HM88611AS KOYO HM88644/HM88611 KOYO HM88644/HM88610 Timken HM88644/HM88610
• BEARING POWER International Trading Co.,Ltd. specialize in HM88644/HM88611 products，there is large inventory of KOYO HM88644/HM88611 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the HM88644/HM88611 Which KOYO HM88644/HM88611 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
  387AS/382A	57,15	96,838	21	ISO	Tapered Roller Bearings
  5S-2LA-BNS917LLBG/GNP42	85	120	18	NTN	Angular Contact Ball Bearings
  C 4022 K30V	170	110	60	SKF	Cylindrical Roller Bearings
  81103	17	30		CX	Thrust Roller Bearings
  FCDP 196262880	980	1310	880	ISB	Cylindrical Roller Bearings
  GB10702S02	42	84	39	SNR	Angular Contact Ball Bearings
  GEZ 308 ES	139,7	88,9	77,775	SKF	Plain Bearings
  NJ212-E-TVP2 + HJ212-E	60	110	22	FAG	Cylindrical Roller Bearings
  NJ2207 EMA	35	72	23	AST	Cylindrical Roller Bearings
  NJ2315-E-MPA+HJ2315-E	75	160	55	NKE	Cylindrical Roller Bearings
  P6901-SB	12	24	6	ZEN	Deep Groove Ball Bearings
  RASEY2	50,8			INA	Bearing Units
  X32011X/Y32011XM	55	90	23	Timken	Tapered Roller Bearings
  TWA613	.3750	.8125		INA	THRUST NEEDLE BEARINGS
  20238	190	340	55	SKF	SPHERICAL ROLLER BEARINGS
  9305NPP	25	42	9	FAF	DEEP GROOVE BALL BEARINGS
  W6300-2Z	10	35	11	SKF	DEEP GROOVE BALL BEARINGS
  CRBY31/2	1.1250	3.5000	2.0625	RBC	YOKE TYPE TRACK ROLLER
  U-30405	25	80	21	New Departure	ANGULAR CONTACT BALL BEARINGS
  33020	100	150	39	CONSOLIDATED	TAPERED ROLLER BEARINGS