d - 277 mm

D - 420 mm

B - 65 mm

C - 65 mm

r min. - 4 mm

da min. - 305 mm

Da max. - 395 mm

ra max. - 3 mm

Weight - 31,8 Kg

Basic dynamic load rating (C) - 300 kN

Basic static load rating (C0) - 410 kN

Calculation factor (f0) - 16

• Model Number:B277-1
• Inner Diameter：277mm Outer Diameter：420mm Width：65mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-25
• Application:water,milling head plug,Pneumatic Control Valves,generator,ventilation equipment,intermediate,enzyme,Industrial equipment,,gas turbine,roller lathe
• Similar models:SNR AB12777.S21 NSK B277-1
• BEARING POWER International Trading Co.,Ltd. specialize in B277-1 products，there is large inventory of NSK B277-1 . We has been built up long-term cooperation with NSK company, could make a bulk order of the B277-1 Which NSK B277-1 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
  28579/28521B	49,987	92,075	25,4	Timken	Tapered Roller Bearings
  231/500RK	500	830	264	KOYO	Spherical Roller Bearings
  241/630YMB	630	1030	400	Timken	Spherical Roller Bearings
  24148 EK30W33+AOH24148	220	400	160	ISB	Spherical Roller Bearings
  32936T135/DBC260	180	250	135	SKF	Tapered Roller Bearings
  6905L11ZZ	25	42	9	NSK	Deep Groove Ball Bearings
  7007CVUJ74	35	62	14	SNR	Angular Contact Ball Bearings
  AR 10 60 85,4	60	85	10	Timken	Needle Roller Bearings
  81111-TV	55	78	16	INA	Thrust Roller Bearings
  JTT-1010	15.875	20.638	15.88	KOYO	Needle Roller Bearings
  K 24x28x13	24	28		NBS	Needle Roller Bearings
  KBK 16x20x20	16	20		INA	Needle Roller Bearings
  LBB 20 UU OP	31,75			AST	Linear Bearings
  S6212-2RS	60	110	22	ZEN	Deep Groove Ball Bearings
  NAO65x95x60	65	95	60	FAG	NEEDLE BEARINGS
  5951	1.1250	1.1875	3.0000	BERLISS	JOURNAL ROLLER BEARING OUTER RACES
  CSEG045	4.5000	6.5000	1.0000	INA	ANGULAR CONTACT BALL BEARINGS
  N-420	100	250	58	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  SN-309..20309	45	-	70	CONSOLIDATED	PILLOW BLOCKS
  SNZ-220..23220	100	90	110	CONSOLIDATED	PILLOW BLOCKS