d - 69,85 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 - 80 mm

da - 86 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: 643/633
• Inner Diameter：69,85mm Outer Diameter：mm Width：41,275mm
• Type：Tapered Roller Bearings
• Update date：2025-04-23
• Application:set bacteria instrument,Ball screw,Infrared Technology,industrial equipment,sewage pump,Insect Capture,machining,quality inspection equipment,hydraulic pressure gauge,preservation equipment,
• Similar models:Fersa 643/632 NSK 643/633 Timken 643/632D+X2S-643 NTN 4T-L44643/L44610 NTN CRO-6431 Gamet 306431X/306571X Fersa L44643/L44610 NTN 4T-HM907643/HM907614 Timken M86643/M86610 NSK M86643/M86610
• BEARING POWER International Trading Co.,Ltd. specialize in 643/633 products，there is large inventory of KOYO 643/633 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 643/633 Which KOYO 643/633 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
  1319 K	95	200	45	NSK	Self-Aligning Ball Bearings
  20212-K-TVP-C3	60	110	22	FAG	Spherical Roller Bearings
  22226RHRK	130	230	64	KOYO	Spherical Roller Bearings
  3211A-2RS1	55	100	33,3	SKF	Angular Contact Ball Bearings
  51409	45	100		CX	Thrust Ball Bearings
  4T-566/563	69,85	127	36,512	NTN	Tapered Roller Bearings
  53272U	360	500	116,7	KOYO	Thrust Ball Bearings
  6407Z	35,000	100,000	25,000	NTN	Deep Groove Ball Bearings
  7218CDB	90	160	30	NACHI	Angular Contact Ball Bearings
  BT1016	15,875	20,638	25,4	KOYO	Needle Roller Bearings
  GEZH 212 ES	120,65	69,85	70,866	SKF	Plain Bearings
  MX-22330UAVS2	150,000	320,000	108,000	NTN	Thrust Roller Bearings
  NK65/35-XL	65	78	35	INA	Needle Roller Bearings
  NUP2272	360	650	170	CX	Cylindrical Roller Bearings
  SF5234	260,000	340,000	38,000	NTN	Angular Contact Ball Bearings
  SL1829/500	500	670	100	ISO	Cylindrical Roller Bearings
  SL182912	60	85	16	ISO	Cylindrical Roller Bearings
  UKF207	30		43	CX	Bearing Units
  HYDNUT110			43	FAG	HYDRAULIC NUTS
  BL311ZNR	55	120	29	NTN	DEEP GROOVE BALL BEARINGS