Bearing
Brain
Parts Intelligence
Part page
NTN 6307 NR
Deep groove ball · Open
Ø35
Ø80
21
Bore
35 mm
Outside dia
80 mm
Width
21 mm
Dynamic C
35.1 kN
Static C0
19.0 kN
Speed grease
19,000 rpm
Speed oil
12,000 rpm
Clearance
CN (Normal)
Precision
ABEC-1 (P0)
Weight
0.67 kg
Interactive view — 3D model + CAD files →
Substitution sheet — printable →
Evidence
catalog-search · eligible · eval ship · deterministic executor · partsbrain pull 2026-09-08
Interchange family — 7 records
Part number
Manufacturer
Bore×OD×Width
C
6307 NR
KOYO (JTEKT)
35×80×21
35.1 kN
6307 NR
INA (Schaeffler)
35×80×21
35.1 kN
6307 NR
MinebeaMitsumi (NMB)
35×80×21
35.1 kN
6307 NR
FAG (Schaeffler)
35×80×21
35.1 kN
6307 NR
Timken
35×80×21
35.1 kN
6307 NR
RBC Bearings
35×80×21
35.1 kN
6307 NR
Peer Bearing
35×80×21
35.1 kN