China NA6904 Precision Needle Roller Bearing 20mm Shaft Diameter 37mm OD 30mm Width Chrome Steel for sale

NA6904 Precision Needle Roller Bearing 20mm Shaft Diameter 37mm OD 30mm Width Chrome Steel

Price Negotiable

Price: USD0.4 per Piece

MOQ: 100

Delivery Time: 3-45 working days.(Huge Quantity Stocks Available))

Brand: MOUETTE

Product Description

Precision Ground Needle Roller Bearing with Machined Rings

Single row needle roller bearings with machined rings and integral flanges provide exceptional load capacity and axial guidance for demanding industrial applications.

Key Features & Benefits

High dynamic and static load capacity with cylindrical rollers
Hardened and ground inner ring raceway for shaft compatibility
Steel cage design reduces friction, vibration, and noise
Through-hardened chrome steel rollers for heat tolerance and durability
Accommodates axial displacement in both directions
Separable design for easy installation and maintenance
Lubrication groove and oil hole for in-place lubrication

Technical Specifications

Shaft Diameter (mm)	Bearing Designation	Mass (g)	Boundary Dimensions (mm)	Basic Load Rating (N)	Limiting Speed (rpm)
5	NA495, NA495TN	7	13×10	2670/2350	34000
6	NA496	9	15×10	3150/3000	32000
7	NA497	12	17×10	3600/3650	30000
8	NA498	16	19×11	4300/3950	28000
10	NA4900, NA6900	21-38.4	22×13-22	8000-11000	23700
12	NA4901, NA6901	25.1-44.5	24×13-22	6000-21600	20000
15	NA4902, NA6902	32-61.6	28×13-23	6400-20900	18000
20	NA4904, NA6904	70.2	37×17-30	21000-51000	17000
25	NA4905, NA6905	76-138	42×17-30	23600-59000	14000
30	NA4906, NA6906	115-152	47×17-30	25000-71000	13000
35	NA4907, NA6907	151-301	55×20-36	19800-60500	11000
40	NA4908, NA6908	240-401	62×22-40	42000-112000	8500
45	NA4909, NA6909	260-479	68×22-40	37000-123500	8000