d - 71,438 mm

T - 41,275 mm

B - 41,275 mm

C - 31,75 mm

a - 30,3 mm

r min. - 3,6 mm

r1 min. - 3,2 mm

Da - 116 mm

db - 81 mm

da - 87 mm

Db - 124 mm

Basic dynamic load rating (C) - 197 kN

Basic static load rating (C0) - 267 kN

Calculation factor (e) - 0,36

Calculation factor (Y0) - 0,91

Calculation factor (Y1) - 1,66

• Model Number: 644/633
• Inner Diameter：71,438mm Outer Diameter：mm Width：41,275mm
• Type：Tapered Roller Bearings
• Update date：2025-04-23
• Application:gear type,extruder,chemical raw materials and reagents,food safety,animal,ECG,rolling machine,baler,instrumentation instrument,hot and cold box,organic raw materials
• Similar models:Timken 64450/64701X CX HM266446/10 CX HM516442/10 ISO HM266448/10 Timken 644/632 ISO 64450/64700 Timken 64450/64700DC+X1S-64450 Timken 644/632B NTN T-HM266448/HM266410D+A ISO 64432/64700
• BEARING POWER International Trading Co.,Ltd. specialize in 644/633 products，there is large inventory of KOYO 644/633 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 644/633 Which KOYO 644/633 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
  1215-K-TVH-C3 + H215	65	130	25	FAG	Self-Aligning Ball Bearings
  24172-K30-MB-W33+AH24172	360	600	243	NKE	Spherical Roller Bearings
  52216	82	115	48	CX	Thrust Ball Bearings
  59200/59429	50,8	108,966	34,925	NSK	Tapered Roller Bearings
  61910	50	72	12	NKE	Deep Groove Ball Bearings
  635-ZZ	5	19	6	ISB	Deep Groove Ball Bearings
  7912	60	85	13	NTN	Angular Contact Ball Bearings
  9285/9221-B	76,2	161,925	46,038	Timken	Tapered Roller Bearings
  MJ-781	11,113	15,875	12,7	Timken	Needle Roller Bearings
  NA4834	170	215	45	NSK	Needle Roller Bearings
  NU330	150	320	65	CRAFT	Cylindrical Roller Bearings
  R14-ZZ	22,225	47,625	12,7	CYSD	Deep Groove Ball Bearings
  UCFS316	80			SNR	Bearing Units
  6208M.P5	40	80	18	FAG	DEEP GROOVE BALL BEARINGS
  TWB512	.3125	.7500		INA	THRUST NEEDLE BEARINGS
  316-SZZG	80	170	39	MRC	DEEP GROOVE BALL BEARINGS
  500SD41	500	830	325	Torrington (Old No.)	SPHERICAL ROLLER BEARINGS
  7317BEAG(Y/P)	85	180	41	STEYR	ANGULAR CONTACT BALL BEARINGS
  5412	60	150	66.68	CONSOLIDATED	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  F63803	17	26	7	CONSOLIDATED	DEEP GROOVE BALL BEARINGS