d - 71,438 mm

T - 41,275 mm

B - 41,275 mm

C - 31,75 mm

a - 30,3 mm

r min. - 6,4 mm

r1 min. - 3,2 mm

Da - 116 mm

db - 81 mm

da - 93 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: 645/633
• Inner Diameter：71,438mm Outer Diameter：mm Width：41,275mm
• Type：Tapered Roller Bearings
• Update date：2025-12-16
• Application:molding machine,supporting facilities,ship special,Optical detection,tire industry,security equipment,chemical,car,meat products machine,Equipment,standing experimental equipment
• Similar models:Fersa L44645/L44613 Timken NP296458/NP514720 SNR FC41645 Fersa 645/632 Timken 6459/6420 Timken 6455/6420-B ISO HM746645/10 Timken 6454/6420 KOYO 6454/6420 Timken 6454/6420-B
• BEARING POWER International Trading Co.,Ltd. specialize in 645/633 products，there is large inventory of KOYO 645/633 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 645/633 Which KOYO 645/633 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
  1219	95	170	32	ISB	Self-Aligning Ball Bearings
  572681	30	72	20	FAG	Deep Groove Ball Bearings
  6808NR	40	52	7	NACHI	Deep Groove Ball Bearings
  699-2Z	9	20	6	ZEN	Deep Groove Ball Bearings
  ASTT90 215100	215	220		AST	Plain Bearings
  BK121718	12	17	18	CX	Cylindrical Roller Bearings
  GEZ 57 ES	57,15	90,49	50,01	ISB	Plain Bearings
  HCB71934-E-T-P4S	170	230	28	FAG	Angular Contact Ball Bearings
  NCF 3036 V	180	280	74	SIGMA	Cylindrical Roller Bearings
  N222	110	200	38	CRAFT	Cylindrical Roller Bearings
  NA4901RS	12	24	14	KOYO	Needle Roller Bearings
  NAO25x40x17	25	40	17	ISO	Cylindrical Roller Bearings
  QJ224	120	215	40	CX	Angular Contact Ball Bearings
  UCC211-35	55,5625		55,6	FYH	Bearing Units
  UCP212	60		65,1	FYH	Bearing Units
  ZA-56BWKH18B-Y--01 E	24,75			NSK	Tapered Roller Bearings
  230K	270	150	45	FAF	DEEP GROOVE BALL BEARINGS
  NU2215E	75	130	31	SKF	CYLINDRICAL ROLLER BEARINGS
  NU-2038E	190	290	60	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  SCE-65			.3125	CONSOLIDATED	NEEDLE BEARINGS