d - 63,5 mm

D - 130,175 mm

T - 41,275 mm

B - 41,275 mm

C - 31,75 mm

ra1 max. - 3,3 mm

a - 29,9 mm

r min. - 3,5 mm

r1 min. - 3,3 mm

Da - 116 mm

db - 74 mm

ra max. - 3,5 mm

da - 81 mm

Db - 124 mm

Weight - 2,482 Kg

Basic dynamic load rating (C) - 195 kN

Basic static load rating (C0) - 263 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: 639/633
• Inner Diameter：63,5mm Outer Diameter：130,175mm Width：41,275mm
• Type：Tapered Roller Bearings
• Update date：2025-12-16
• Application:Switch,Other machinery,atomizer class,Machine tools,relay,inorganic chemical,CNC,sleep monitoring,ultra-quiet generators,electrostatic protection,paper processing machine
• Similar models:KOYO HM907639/HM907614 ISO LL639249/10 SKF 639297/Q ISO J6392/27 Timken HM907639/HM907614 NTN 4T-639/632 SKF 639194/QCL7C NSK 639/633 CX 639/632 Timken 639/632
• BEARING POWER International Trading Co.,Ltd. specialize in 639/633 products，there is large inventory of NSK 639/633 . We has been built up long-term cooperation with NSK company, could make a bulk order of the 639/633 Which NSK 639/633 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
  20211-K-TVP-C3+H211	55	100	21	FAG	Spherical Roller Bearings
  38BWD18	38	80	36	NSK	Angular Contact Ball Bearings
  529X/522	50,8	101,6	34,925	FBJ	Tapered Roller Bearings
  6232M	160	290	48	CRAFT	Deep Groove Ball Bearings
  6312LLUNR	60,000	130,000	31,000	NTN	Deep Groove Ball Bearings
  7012UADG/GNP42	60	95	18	NTN	Angular Contact Ball Bearings
  71905 CE/P4AH	42	25	9	SKF	Angular Contact Ball Bearings
  7211CDT	55	100	21	CYSD	Angular Contact Ball Bearings
  7214CPA	70	125	24	KOYO	Angular Contact Ball Bearings
  B71921-C-2RSD-T-P4S	105	145	20	FAG	Angular Contact Ball Bearings
  HK1622	16	22	22	AST	Needle Roller Bearings
  POSB 6	9,525	25,40		IKO	Plain Bearings
  RAXZ 510	14	19		KOYO	Complex Bearings
  W 60/2.5 R	2,5	8	2,8	SKF	Deep Groove Ball Bearings
  211W	55	100	21	FAF	DEEP GROOVE BALL BEARINGS
  C102HCUL	15	32	9	Barden	ANGULAR CONTACT BALL BEARINGS
  29430	150	300		Torrington	SPHERICAL ROLLER THRUST BEARINGS
  53207U				SKF	THRUST BALL BEARINGS WITH SPHERICAL SEATING RING
  FL69/1.5	1.5	5	2	NTN	DEEP GROOVE BALL BEARINGS
  I-71229	90	1.8125	20	CONSOLIDATED	SELF