d - 71.438 mm

D - 130.175 mm

T - 41.275 mm

B - 41.275 mm

C - 31.750 mm

a - 11.2 mm

r1 min. - 3.5 mm

r2 min. - 3.3 mm

Weight - 2,55 Kg

Basic dynamic load rating (C) - 151000 kN

Basic static load rating (C0) - 229000 kN

(Grease) Lubrication Speed - 2800 r/min

(Oil) Lubrication Speed - 3800 r/min

Calculation factor (e) - 0.36

Calculation factor (Y0) - 0.91

Calculation factor (Y1) - 1.7

• Model Number: 644/633
• Inner Diameter：71.438mm Outer Diameter：130.175mm Width：41.275mm
• Type：Tapered Roller Bearings
• Update date：2025-04-23
• Application:squeeze machine etc,bag machine,Machine Tool Accessories,plant determination,EEG,equipment and,welding equipment,Spectrum Products,test equipment,Industrial,clean stationery
• Similar models:Timken HM266447/HM266410 NTN T-HM266446/HM266410 ISO 644/632 NTN 4T-64433/64700 NTN T-E-LM654644D/LM654610/LM654610D KOYO 644/633 KOYO HM88644/HM88611 NTN M276449/M276410G2 ISB HM266449/HM266410 NTN T-HM266449/HM266410G2
• BEARING POWER International Trading Co.,Ltd. specialize in 644/633 products，there is large inventory of NACHI 644/633 . We has been built up long-term cooperation with NACHI company, could make a bulk order of the 644/633 Which NACHI 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.

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  AST850BM 9580	95	100		AST	Plain Bearings
  GW 260	260	430	115	ISO	Plain Bearings
  NN3120 K	100	165	52	CX	Cylindrical Roller Bearings
  NU324	120	260	55	CRAFT	Cylindrical Roller Bearings
  L1322U	110	240	50	Rollway	CYLINDRICAL ROLLER BEARINGS
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  685	5	11	3	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  33017	85	130	36	CONSOLIDATED	TAPERED ROLLER BEARINGS
  81109			6	CONSOLIDATED	THRUST ROLLER BEARINGS