PRODUCT INFORMATION

Description and selection guidance

NTN Bearing NJ2308EAT2X belongs to the Cylindrical Roller Bearings family. The technical tables below show the available dimensions, ratings, speeds and mounting limits for this item.

When requesting a quotation, provide the complete item number, required quantity and operating conditions so Cat Son can verify the configuration.

NJ2308EAT2X specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
40 mm
D - Diameter outside
90 mm
B - Width
33 mm
E - Upper roller diameter
80 mm
F - Lower roller diameter
52 mm
rNs - Minimum fillet radius
1,5 mm
rs - Minimum fillet radius
1,5 mm
r1s - Minimum fillet radius
1,5 mm
Bearing clearance
CN
Weight
2,23 kg

PRODUCT PERFORMANCE

C - Basic dynamic load rating
135 kN
C0 - Basic static load rating
122 kN
Cu - Fatigue load limit
14,9 kN
N lim - Oil lubrication limiting speed
9000 tr/min
N lim - Grease lubrication limiting speed
6400 tr/min
Tmin - Minimum operating temperature
-20 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

da min - Minimum shoulder diameter IR
48 mm
da max - Small face shoulder max diameter
51 mm
dc min - Diameter inner ring minimum GO
55 mm
Da max - Maximum shoulder diameter OR
82 mm
Db min - Diameter shoulder face minimum
81,5 mm
ra max - Maximum fillet radius
1,5 mm
r1a - Maximum fillet radius
1,5 mm
NTN ITEM SUPPORT

Send the current item and operating conditions.

Cat Son can compare dimensions, design and mounting conditions before quotation.