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：2025-12-13
• Application:Machine tools,CNC,oral medical device,relay,mechanical and electrical,chemical instruments,teaching equipment,electric pump,woodworking machinery,vertical processing,Machine Tool Accessories
• Similar models:NSK B277-1 SNR AB12777.S21
• 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.

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  E 217 /NS 7CE3	17	40	12	SNFA	Angular Contact Ball Bearings
  NJ 324	120	260	55	ISB	Cylindrical Roller Bearings
  NU217R	85	150	28	KOYO	Cylindrical Roller Bearings
  PW27520045CS	27	52	45	PFI	Angular Contact Ball Bearings
  SL045018-PP	90	140	67	INA	Cylindrical Roller Bearings
  TA 1715 Z	17	24	15	IKO	Needle Roller Bearings
  32221A	105	190	50	FAG	TAPERED ROLLER BEARINGS
  32044X	220	340	76	SKF	TAPERED ROLLER BEARINGS
  NKS28	42		20	Torrington	NEEDLE BEARINGS
  800SD40	800	1150	345	Torrington (Old No.)	SPHERICAL ROLLER BEARINGS
  NBC11412	4.5000	5.5000	.5000	NSK	DEEP GROOVE BALL BEARINGS
  K-155x163x26	155	163	26	CONSOLIDATED	NEEDLE BEARINGS
  GE-70ES-2RS	70	105	49	CONSOLIDATED	SPHERICAL PLAIN BEARINGS
  71915TGP/4	75	105	16	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS