d - 80 mm

D - 170 mm

T - 42,5 mm

B - 39 mm

C - 28 mm

a - -10 mm

r min. - 3 mm

r1 min. - 3,5 mm

Weight - 4 Kg

Basic dynamic load rating (C) - 221 kN

Basic static load rating (C0) - 256 kN

Calculation factor (e) - 0,81

• Model Number:QT4
• Inner Diameter：80mm Outer Diameter：170mm Width：42,5mm
• Type：Tapered Roller Bearings
• Update date：2025-12-15
• Application:special broaching machine,mathematical instruments,extruder,engineering machine,manual Tools,Pneumatic Control Valves,food safety,reducer,Oral Equipment,Pneumatic Actuator,Laser Devices
• Similar models:NSK 02475/02420 KOYO EE982051/982900 KOYO 46T30315JR/69 ISO 28985/28921 Timken 66212/66462D+X1S-66212 NTN 4T-HM804843/HM804810 Gamet 110055/110098XP FAG 32248-XL-DF-A450-500 NTN 323092 FAG 32048-X-XL-DF-A700-750
• BEARING POWER International Trading Co.,Ltd. specialize in QT4 products，there is large inventory of NACHI QT4 . We has been built up long-term cooperation with NACHI company, could make a bulk order of the QT4 Which NACHI QT4 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
  231/530 KCW33	530	870	272	CX	Spherical Roller Bearings
  3210-B-TVH	50	90	30,2	FAG	Angular Contact Ball Bearings
  33111	55	95	30	FBJ	Tapered Roller Bearings
  4T-460/453X	44,45	104,775	30,162	NTN	Tapered Roller Bearings
  4T-L814749/L814710	76,2	109,538	19,05	NTN	Tapered Roller Bearings
  635-Z	5	19	6	NKE	Deep Groove Ball Bearings
  6808ZZ	40	52	7	NTN	Deep Groove Ball Bearings
  AXK1114	70	95	4	NTN	Needle Roller Bearings
  E-EE231400/231976D+A	355,6	501,65	155,575	NTN	Tapered Roller Bearings
  EST204+WB	20			SNR	Bearing Units
  F18039	36,513	68	15	Fersa	Deep Groove Ball Bearings
  M919048/M919010D+M919049XC	89,98	161,9	69,85	Timken	Tapered Roller Bearings
  MRJ 5.1/2	139,7	279,4	50,8	SIGMA	Cylindrical Roller Bearings
  NA3120	120	170	45	KOYO	Needle Roller Bearings
  NA6919	95	130	63	KOYO	Needle Roller Bearings
  NATV 15	15	35	18	SKF	Cylindrical Roller Bearings
  RUS2209	55,000	85,000	23,000	NTN	Cylindrical Roller Bearings
  SS 6005-ZZ	25	47	12	ISB	Deep Groove Ball Bearings
  303W	17	47	14	FAF	DEEP GROOVE BALL BEARINGS
  6000Z	10	26	8	SKF	DEEP GROOVE BALL BEARINGS