Technical Specification Sheet — NSK 3304B-2ZRTNG YRLN5 (Double Row Angular Contact Ball Bearing)

Identification

·       Brand: NSK

·       Part Number: 3304B-2ZRTNG YRLN5

·       Alternative Designations: 3304ATN1/ZZ; 3304B-2ZRTNG; 3304-BD-2Z-TVH; 3304-BD-XL-2Z-TVH

·       EAN: Not available

·       Product ID: 10096363

·       Category: Double Row Angular Contact Ball Bearing

Dimensions & Weight

·       Metric:

·       Bore (d): 20 mm

·       Outside Diameter (D): 52 mm

·       Width (B): 22.2 mm

·       Weight: 0.210 kg *(also listed as 0.2218 kg)*

·       Imperial:

·       Bore (d): 0.7874 in

·       Outside Diameter (D): 2.0472 in

·       Width (B): 0.8740 in

Design & Construction

·       Ball Rows: Double

·       Material: Standard bearing steel

·       Bore Type: Cylindrical

·       Outer Ring: Without flange/groove

·       Shielding: 2ZR / ZZ / 2Z (metal shields on both sides)

·       Cage: TNG / P (glass-fibre reinforced polyamide, ball-riding)

·       Split Inner/Outer Ring: Standard

·       Filling: N (normal filling, 35%)

Internal Clearance, Precision & Temperature

·       Radial Internal Clearance: CN (Normal)

·       Precision Class: P0 / PN2 / ABEC 1 (standard)

·       Operating Temperature Range: –20 °C to +120 °C *(lubricant code indicates –30 °C to +120 °C)*

·       Heat Stabilization: Not required (up to 120 °C)

Contact Angle

·       Suffix “B”: 25° contact angle (per suffix specification)

*Note: Product characteristics previously listed a 40° contact angle; according to the suffix “B”, this sheet specifies 25°.*

Lubrication

·       Lubricant Code: YRL (grease suitable for –30 °C to +120 °C)

·       Type: High and low temperature grease

Suffix Definitions

·       B: 25° contact angle

·       2ZR: Metal shields on both sides

·       TNG: Solid glass-fibre reinforced polyamide cage

·       YRL: Grease suitable for –30 °C to +120 °C

·       N: Normal filling (35%)

·       5: Standard single-pack packaging (individual box, master carton with protective fill)

Trade & Customs

·       Country of Origin: Germany

·       Customs Tariff Number (HS): 8482 1090

   PACKAGE INCLUDES: ONE (1) NSK Bearing 3304 B 2ZR TNG YRLN5